新种数据库

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中文名拉丁名科名基名发表年代
蔓竹Bashania qiaojiaensisPoaceae2007
A report on a New Bamboo Species in Northeast Yunnan, China
作者:YI Tong-pei, SHI Jun-yi, MA Li-sha, YANG Lin, WANG Hai-tao
文献:Journal of Sichuan Forestry Science and Technology, 28(4): 1 (2007).
形态描述:地下茎复轴型, 竹鞭节间长1.5 cm~4 cm, 直径3 cm~3.5 cm, 圆筒形, 淡黄色, 无毛, 中空, 每节具瘤状突起或根2枚~3枚;鞭芽锥形或卵状锥形,贴生或不贴生, 光亮, 无毛秆散生兼小丛生, 高20cm~50 cm, 直径0.3 cm~0.5(0.7)cm, 全秆具12节~15节, 梢部直立;节间长1 cm~6 cm, 圆筒形,在具芽或分枝一侧基部稍扁平, 淡绿色, 无毛, 无白粉, 中空, 秆壁厚1.5 mm~2 mm, 髓呈层隔状;箨环隆起, 初时紫色, 无毛;秆环常微肿起或肿起, 绿色;节内高1 mm-1.5 mm。秆芽1 枚, 长三角形, 贴生。秆通常于第2节~4节开始分枝, 每节分枝1枚, 直立, 基部贴秆, 长8 cm~18(32)cm, 直径1.5mm~2.5 mm。笋紫色, 无毛。箨鞘宿存, 薄革质,稍短于节间, 先端短三角形, 背面无毛, 纵脉纹不明显, 边缘具灰色纤毛;箨耳缺失, 鞘口两肩初时各具1枚~3枚长3 mm~4 mm紫色直立繸毛;箨舌近截 平形, 紫色, 高约0.5 mm, 无毛;箨片外翻或外倾, 三角状披针形, 长1 mm~7 mm, 宽0.2 mm~1 mm, 紫绿色, 无毛。小枝具叶通常3枚;叶鞘长1.8 cm~3cm, 紫色, 无毛, 边缘亦无纤毛;叶耳微小, 椭圆形,紫色, 边缘具(2)3枚~7 枚直立紫色繸毛;叶舌近截平形, 高0.2 mm~0.3 mm, 初时深紫色, 无毛;叶柄长0.5 mm~1 mm, 无毛;叶片披针形, 长4 cm~ 7cm, 宽0.5 cm~1(1.2)cm, 先端渐尖, 基部近圆形或圆楔形, 无毛, 上面绿色, 下面淡绿色, 次脉2对~3对, 小横脉组成不明显的长方形, 边缘具细锯齿。花序未见。笋期5月。
分布:Northeast Yunnan: Qiaojia, YaoshanTown, Maiping Village, Yaoshan
性质:新种
        
黄金竹Bashania yongdeensisPoaceae2007
A New Species of Bashania Keng f.et Yi on W estern Yunnan , China.pdf
作者:SHI Junyi, YI Tongpei, YAO Jun,YANG Lin, WANG Haitao
文献:Forest Research, 20(6): 864 (2007).
形态描述:地下茎复轴型,竹鞭节间长1.2~3 cm,直径 2.5~3.5 mm,圆筒形,淡黄色,中空较大,每节具瘤状突起或根2~4枚;鞭芽锥形或卵形,贴生或不贴生。秆散生兼小丛生,高3O~7O(110)cm,直径 (0.2)0.3~0.4 cm,全秆具9~12节,梢头直立;节间长(2)5~1O(12)cm,圆筒形,但在具芽或分枝一侧下部或基部扁平,初时绿紫色,具紫色小斑点,无毛,无白粉,秆壁厚1.5~2 mm;箨环隆起,紫色,无毛;秆环稍隆起或隆起;节内高1~2 mm。秆芽1 枚,锥形或长卵形,不贴生或贴生。秆每节分枝1~5枚,直立,基部贴秆,长9~14(22)cm,直径1~2mm0 笋紫色。箨鞘宿存,薄革质,约为节间长度的 1/2~2/3,背面无毛,边缘具黄褐色纤毛;箨耳无,鞘两肩各具1~4枚长(1)2~3 mm灰色直立缱毛;箨舌截平形,高约0.5 mm;箨片直立,三角形或卵状长三角形,长2~5(8)mm,宽1~1.5 mm,无毛。小枝具叶2~3枚;叶鞘长1.7~2.8 cm,宿存,上部紫色,无毛,亦无纤毛;叶耳无,鞘口燧毛在每侧3~5枚,初时紫色,波曲,直立;叶舌截平形,初时紫色,高约0.5 mm;叶柄紫色,长约1 mm;叶片卵状披针形,长3.5~5 cm,宽6~8 mm,先端长渐尖,基部圆形,无毛,上面绿色,下面淡灰绿色,次脉3~4对,小横脉组成近长方形,边缘具小锯齿。笋期5月。顶生总状或简单圆锥花序,基部为叶鞘覆盖,长3.5~5 cm,由4~5枚小穗组成,花序主轴及分枝排列紧密,无毛,分枝腋间无瘤枕。小穗柄长1~2.1 cm,直立,细瘦,无毛,最下部小穗柄基部具1枚三角形、长约2 mm的苞片;小穗长1.2~2.3 cm, 紫色,含4(5)朵小花;小穗轴节间长2~3 mm,扁平,顶端膨大,具灰白色髯毛;颖2,无毛,第一颖锥状三角形,微小,长1~1.5 mm,仅具中脉,第二颖卵状披针形,长5~8 mm,具3脉;外稃卵状披针形,长7~10 mm,先端钻状,具5~7脉;内稃长6.5~9.5 mm,先端2裂,背部2脊上被灰白色纤毛;鳞被3,倒卵形,膜质,上部紫色,边缘具短纤毛,前方2片长约1 mm,后方1片长约0.7 mm;雄蕊3,花药紫色,长3.5~4 mm;子房长圆形,无毛,长约2mm,花柱1,柱头3,羽毛状。果实未见。花期7—9月。
分布:Yunnan: Yongde, Daxueshan Mountaintop
性质:新种
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小花水毛茛Batrachium bungei var. micranthumRANUNCULACEAE1995
中国毛茛科植物小志(十八)
作者:王文采
文献:Guihaia 15(2): 105 (1995).
形态描述:本变种的花较小, 直径 5— 6 mm, 雄蕊数目较少, 5— 7枚而与模式变种不同, 在模式变种, 花较大, 直径 1-1.5(一2)cm, 雄蕊较多,1 5一10枚。.
分布:jiangxi
性质:新变种
        
Bauhinia hekouensisLeguminosae2013
Bauhinia hekouensis (Leguminosae, Caesalpinioideae), a New Species from Yunnan, China
作者:Tieyao Tu, Dianxiang Zhang
文献:Novon 22(3): 332. 2013.
形态描述:Large liana, extending into upper canopies of host trees (4-10 m); tendrils on young branches densely pubescent, singly inserted at nodes; branchlets terete, pubescent when young, gradually glabrescent. Leaves ovate to suborbicular, up to 12 3 14 cm; the blades bifid to 1/3 divided with a broad sinus, coriaceous to chartaceous, blade surface brownish pubescent when young to glabrate, blade base cordate, with primary nerves 9 to 11, stout, connected by transverse secondary nerves; petioles green, 2.5-6 cm; stipules deciduous, obovate, rotund or orbicular, ca. 3-632-4 mm, glabrous or minutely puberulent. Inflorescences racemose, terminal, unbranched, 5-25 cm; axis greenish pubescent, with up to ca. 30 flowers; pedicels slender, 2.1-3.4 cm, puberulent; bracts lanceolate, green, 10-1532-3 mm; bracteoles linear, acute, 4-8 mm, inserted above the middle of the pedicels. Flower buds green, spindle-shaped, slightly falcate, apex acute, 15-25 3 3-5 mm; hypanthium tubular, 17-21 3 1.5-2.5 mm; calyx green, splitting into 5 sepals on the apex of the hypanthium, acicular, subulate, reflexed at anthesis, 1.8-2.5 cm; petals arranged along the dorsal side of the flower, subequal, blades white, crisped, the lower surface and edges of the upper surface sparsely pubescent, the median zone of the upper surface densely pubescent; the posterior blade of the corolla oblanceolate, the lower part of the blade gradually, the upper part of the blade more abruptly, narrowing to the apices, 14-22 3 5-9 mm; the blades of the lateral petals slightly narrower than the posterior ones, 12-21 3 3-9 mm; the petal claws green, equal to or slightly longer than petal blades, 6 pubescent; fertile stamens 3, opposite to the petals; filaments green, glabrous, 32-47 mm, starting outward and then reflexing upward; anthers maroon, elliptic, 3-4 mm, opening by longitudinal slits; staminodes 2, filiform, 1 mm; ovary densely pubescent, on a 8-15 mm stipe; style pubescent, 12-19 mm; stigma green, capitate. Pods flattened, pubescent when young, later glabrous.
分布:Yunnan: Hekou Co., Nanxi Town, Baishahe
性质:sp. nov.
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Bauhinia wuzhengyiiLeguminosae1999
Bauhinia wuzhengyii (Leguminosae, Caesalpinioideae), a New Chinese Species
作者:Supee Saksuwan Larsen
文献:Novon 9(4): 526 (1999).
形态描述:Liana, tendrils not seen. Flowering branches terete, glabrous. Leaf lamina entire, elliptic, 9.0-10.3 X 4.8-5.3 cm, glabrous both sides, base attenuate, apex abruptly acuminate; nerves 3; stipules not seen; petiole 2.3-3 cm long, thickened at both ends. Inflorescence terminal, an elongated raceme, with 2 racemes evident on type, one with a reduced leaf at base. Inflorescence axis up to 19 cm long, finely grayish pubescent; bracts 4-5 mm long, setaceous, finely pubescent outside; bracteoles similar but minute, 0.5 mm long, subopposite, inserted below the middle of the pedicel; pedicel 2.5-3 cm long, finely grayish pubescent. Flower buds ellipsoid, 9-10 X 5-6 mm, finely grayish pubescent; hypanthium obliquely campanulate, enlarged adaxially, ca. 4 mm, twice the length of abaxial portion (Fig. 2A, B), apically pubescent except middle part of adaxial margin (Fig. 2F). Calyx 3-4 mm long, campanulate (occasionally slightly bilabiate, Fig. 2B), open in bud, split in upper half to 5 lobes, each with acute apex, finely grayish pubescent out-side, inside glabrous to sparsely pubescent. Corolla with 5 subequal petals, 4 lateral ones spathulate, 7-10 mm long including a 2-3-mm claw, densely brownish pubescent on both sides, becoming gla-brous toward claw; posterior petal ± obovate-oblong, carinate, basally fleshy, ca. 2 mm, with claw indistinct, upper portion, ca. 5 mm, finally reflexed, inside glabrous, outside pubescent in upper portion, marginally and basally glabrous. Fertile sta-mens 3; filaments ca. 10 mm long, glabrous; an-thers 1.5-2 mm long, glabrous, dehiscing longitudinally; staminodes 5-7, 3 posterior forming a 3-dentate connate structure, 1.5 mm long (Fig. 2F); middle connate staminode slightly larger, in-flated at base to a low rim, the 2 lateral teeth in-serted behind the rim; 1-2 minute staminodes at both sides of the teeth and 1-2 minute staminodes between the fertile stamens. Pistil with thick stipe, free, 2-3 mm long, brownish woolly pubescent, inserted at lower abaxial side of hypanthium (Fig. 2F); ovary ca. 9 mm long, brownish woolly pubescent throughout, stigma subsessile, ± punctate, style glabrous, very short, ca. 1 mm. Ovules ca. 8. Pods not seen.
分布:Yunnan
性质:新种
        
短葶秋海棠Begonia × breviscapaBegoniaceae2010
Begonia ×breviscapa (Begoniaceae), a new intersectional natural hybrid from limestone areas in Guangxi, China
作者:Ching-I PENG, Yan LIU, Shin-Ming KU, Yoshiko KONO, Kuo-Fang CHUNG
文献:Bot. Stud. (Taipei) 51(1): 108 (107-116; figs.). 2010.
形态描述:Herbs, monoecious. Rhizome creeping, 6-13 mm thick, internodes 5-11 mm long, pilose. Stipules caducous, ovatetriangular, asymmetric, 7-24 mm long, 6-14 mm wide, weakly keeled, margin entire, apex aristate, arista hairlike. Leaves alternate; petiole 9-26 cm long, 3-5 mm thick, villous (hairs 2-4.5 mm long); blade obliquely broadly ovate, peltate or subpeltate, sometimes basifixed with cordate base, 8-15 (-23) cm long, 6-11 (-16) cm wide, papery, adaxially with white spots all over, moderately setulose (trichomes 0.5-1 mm long), abaxially brownishreddish or green, pilose on veins (trichomes whitish, 0.5-1.2 mm long), margin shallowly unequally minutely serrulate or crenate, apex acute, mucronate, cuspidate, or shortly acuminate; venation basally 7-8-palmate, tertiary veins loosely reticulate or pinnate-reticulate. Inflorescences axillary; peduncle (scape) 1.5-5 cm long, pilose or villous-pilose; flowers 5-8 in dichasial cymes; bracts caducous, ovate or oblong, 3-6 mm long, 3-5 mm wide, margin serrate-ciliate, apex obtuse. Staminate flower: pedicels 1.5-3 cm, pilose; tepals 4, white, outer 2 broadly obovate, 0.9-1.5 cm long, 0.9-1.3 cm wide, base broadly cuneate or subrounded, apex rounded, outside pilose, inner 2 elliptic to oblanceolate, 8-10 mm long, 3.5-5 mm wide, apex obtuse; stamens 30-40; filaments ca. 1.5-2.8 mm long; anthers obovate-oblong, 0.8-1.1 mm; apex of connective ± emarginate. Pollen grains irregular, shriveled and unstainable. Carpellate flowers: pedicel 1.3-1.7 cm, pilose or sparsely so; tepals 3, outer 2 suborbicular or broadly obovate, 1.3-1.7 cm long, 1.3-1.6 cm wide, base broadly cuneate or rounded, apex rounded, inner 1 oblanceolate or elliptic, 10-15 mm long, 5-6 mm wide; ovary trigonous-ellipsoid, 9-13 mm long, 4-5 mm across, pilose or sparsely so, subequally weakly 3-winged; placentation parietal in upper half, axile in lower half, each placenta with 2 lamellae; styles 3, ca. 7 mm long, nearly free, stigma spirally twisted, papillose all around. Fruits not seen. Somatic chromosome number, 2n = 30 (Figure 3).
分布:Guangxi: Donglan Xian (County), Sanshi Zhen, Naying Village, on the way to Wuzhuan
性质:hybr. nov.
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尖被秋海棠Begonia acutitepalaBEGONIACEAE2000
云南秋海棠属三新种
作者:管开云,田代科
文献:Acta Bot. Yunnan. 22(2): 129 (2000).
形态描述:Herbs, 10-30 cm tall, tuberous. Leaves 1 or 2(or 3), basal; stipules not seen; petiole 20-30 cm; blade green on both surfaces, broadly cordate, 14-20 × 10-15 cm, papery, base deeply cordate, margin serrulate, apex acuminate. Inflorescence 10-30 cm, hirsute, villous, tomentose; flowers pink; bracts green, broadly ovate, 1-1.2 cm, margin entire. Staminate flowers: pedicel 1.5-6 cm; tepals 4, apex acute, outer 2 ovate-lanceolate, inner 2 obovate or spatulate, ca. 1.2 × 0.6 cm, apex obtuse; stamens numerous; anthers obovoid-globose, apex concave. Pistillate flowers: pedicel ca. 3 cm; tepals 5, unequal, ovate-lanceolate to obovate, abaxially tomentose, apex acute or obtuse; ovary sparsely tomentose, 3-loculed; placentae axile, bilamellate; styles 3; stigmas spiraled. Capsule ellipsoid, unequally 3-winged; abaxial wing triangular, ca. 1 cm, apex truncate; lateral wings smaller, lunate. Fl. Sep-Nov.
分布:Yunnan(云南): Maguan Xian(马关县), Dulong(都龙), Laojunshan(老君山)
性质:sp. nov.
        
蛛网脉秋海棠Begonia arachnoideaBegoniaceae2008
Two new species of Begonia (sect. Coelocentrum, Begoniaceae) from limestone areas in Guangxi, China B. arachnoidea and B. subcoriacea
作者:Ching-I PENG, Shin-Ming KU, Yoshiko KONO, Kuo-Fang CHUNG, Yan LIU
文献:Bot. Stud. (Taipei) 49(4): 406 (-408, 410; figs. 1-2, 5). 2008.
形态描述:Herbs, monoecious, rhizomatous; rhizome stout, creeping, 1.1-2 cm thick, internode 0.5-1 cm long. Leaves peltate, basal; stipules caducous, ovate-triangular, 0.7-0.9 cm long, 0.7-1.1 cm wide; petiole 13-26(-30) cm long, hirsute-villous (the hairs 2-5.5 mm long); leaf blade suborbicular or broadly ovate, 12-26(-35) cm long, 11-19(-27) cm wide, papery, adaxially deeply green or brownish, with white or pale band along major veins (the band often composed of small, dense white spots), densely shortly setose and hispid-setulose (trichomes 0.2-0.9 mm long), abaxially densely hispidulous-pilose on all veins (trichomes reddish with red base, 0.3-0.8 mm long, somewhat unevenly spread and ragged), base rounded, slightly oblique, margin shallowly unequally serrulate or undulate, apex acute to shortly acuminate; venation basally 6-or 7-palmate, tertiary veins percurrent, spiderweblike. Inflorescences axillary; peduncle 9-31 cm long, moderately hispid-villous; flowers white, 6-24 in dichasial cymes; bracts caducous, ovate or oblong, 5-7 cm long 5-6 mm wide, margin serrate-ciliate, apex obtuse. Staminate flower: pedicel 0.6-3.7 cm, pilose; tepals 4, pink, outer 2 broadly ovate, 1.1-1.9 cm long, 1-1.5 cm wide, base subrounded, apex somewhat acute or obtuse, outside hirsute or hispid-pilose, inner 2 elliptic, 6-8 mm long, 3.5-5 mm wide, apex acute; stamens 26-44; filaments ca. 1.5-2 mm long; anthers obovate-oblong, 1.1-1.4 mm; connective apex emarginate. Carpellate flower: pedicel 4-6 cm, with one bracteole, glandular-hispidulous or sparsely so; tepals 3, pink, outer 2 suborbicular or broadly ovate, 0.9-1.5 cm long, 0.9-1.4 cm wide, apex and base rounded, inner 1 elliptic, 6-8 mm long, 3.5-4 mm wide; ovary oblong, 7-16 mm long, 4-5 mm across, moderately to sparsely glandulose-pilose or glandulose-villous and with some or many small stalked glandular hairs, unequally 3-winged, 1-locular with parietal placentation, each placenta with 2 lamellae; styles 3, ca. 4 mm long, fused at base, stigma spirally twisted and papillose all around. Fruits nodding, 1.3-2.6 cm long, 0.5-0.6 cm across. Somatic chromosome number, 2n = 30 (Figure 3A).
分布:Guangxi: Daxin Xian (County), Encheng Xiang, Encheng Nature Reserve
性质:sp. nov.
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树生秋海棠Begonia arboretaBEGONIACEAE2002
滇东南黄连山秋海棠属一新种
作者:税玉民
文献:Acta Bot. Yunnan. 24(3): 307 (2002).
形态描述:Herbs, deciduous, epiphytic. Tubers subglobose, ca. 1 cm in diam. Leaves solitary; stipules caducous, basal, glabrous; petiole 12-14 cm; blade asymmetric, broadly ovate, 14-15 × 14-17 cm, papery, venation palmate, 3-5-veined, base obliquely cordate, margin irregularly repand-denticulate, distinctly lobed, divided to 3/5 of leaf length; lobes lanceolate, apex acuminate. Inflorescences 10-12 cm tall, terminal, glabrous; bracts caducous, ovate, ca. 0.6 × 0.2 mm. Staminate flowers not seen. Pistillate flowers: pedicel 3-3.3 cm; tepals not seen; ovary glabrous, 3-loculed; placentae axile, bilamellate; styles 3; stigmas 2-cleft. Capsule pendulous, 2-2.4 × 1.2-1.4 cm, subequally 3-winged; abaxial wing slightly larger, apex subtruncate.
分布:Yunnan(云南): Luchun county(绿春县), Mt.Huanglianshan (黄连山), Hydrologic Station (水文站)
性质:sp. nov.
        
星果草叶秋海棠Begonia asteropyrifoliaBEGONIACEAE2005
世界秋海棠属侧膜组植物新资料
作者:税玉民, 陈文红
文献:Acta Bot. Yunnan. 27(4): 356, f. 1 (2005).
形态描述:Herbs rhizomatous. Rhizomes 3-6 cm, ca. 1 cm in diam., villous; internodes 0.7-1.1 cm. Leaves all basal; stipules triangularor ovate-triangular; petiole 3-5 cm, hirsute-villous; blade ovate with 2- or 3-angular lobes, 6.5-8.5 × 4-5 cm, peltate, thickly papery, rugose, abaxially with dense curly hairs, adaxially densely tuberculate-pilose, margin serrulate and ciliate, apex acuminate. Inflorescences axillary, flowers 7-13 in a dichasial cyme; peduncle 5-6 cm, hirsute-villous; bracts lanceolate, 7-9 × 2-3.5 mm, glabrous, apex acute. Staminate flowers: pedicel 1.1-1.3 cm, hirsute-villous; tepals 2 or 4, outer 2 pink, suborbicular, 8-9 mm in diam., abaxially strigose-pilose, inner 2 pinkish or white, oblong, 9-10 × ca. 4 mm, glabrous; androecium zygomorphic; stamens numerous; filaments 0.9-1 mm, fused below into a short column; anthers obovoid. Pistillate flowers unknown. Capsule broadly ovoid, 8-9 × 10-12 mm, pilose, 1-loculed with parietal placentation; styles 3, 1-1.2 mm, persistent; wings 3, unequal, triangular, pilose, apex orbicular. Fl. Feb-Sep.
分布:Guangxi(广西): Donglan(东兰)
性质:sp. nov.
        
橙花侧膜秋海棠Begonia aurantifloraBegoniaceae2008
Begonia aurantiflora (sect. Coelocentrum, Begoniaceae), a new species from limestone areas in Guangxi, China
作者:Ching-I PENG, Yan LIU, Shin-Ming KU
文献:Bot. Stud. (Taipei) 49(1): 83 (-87; figs. 1, 2 & 4). 2008.
形态描述:Herbs, monoecious; epipetric; perennial; rhizomatous. Rhizomes slender, 20-60 cm or longer, 3-6 mm thick, internodes (12-)20-30(-50) mm long, villous. Stipules eventually deciduous, ovate-triangular, apex acute, 6-12 mm long, 4-7 mm wide, reddish-hyaline to brownish, not keeled or weakly keeled, with few hairs along midrib, with sparse minute glandular hairs on abaxial surface, margin eciliate, apex aristate, arista 1-2 mm long, hairlike. Leaves 5-10 or more, alternate, simple, asymmetric, unlobed, broadly ovate or suborbicular, base deeply cordate, margin denticulate and ciliolate, apex obtuse to acute, (4.5-)7-11 cm long (basal lobes included), (4-)5.5-10 cm wide, fully developed mature leaves often with whitish or silver white ring-shaped belt on upper surface, with white maculation on intercostal area in juvenile plants (occasional on mature plants; rarely without maculation), with brown or brownish-green bands along major vein (forming a palmate mark), usually reddish on abaxial surface, texture thinly herbaceous, surface slightly rugose, adaxially sparsely long-pilose (trichomes 2-4 mm long, whitish-hyaline), abaxially densely pilose to tomentose, pronounced on veins; venation basally palmate, veins (5-)6, midrib distinct, with 1-3 major lateral veins on each side, other primary veins branching dichotomously or nearly so, tertiary veins percurrent and loosely reticulate, forming a divergence angle of 85-110° to major veins, minor veins reticulate, all veins raised on abaxial surface; petiole terete, (3.5-)6-10(-12) cm long, 2-4 mm thick, brownish or brownish red, villous. Inflorescences axillary, 1-3, arising directly from rhizome, flowers 5-22, in a dichasial cyme, cyme branched 1-4 times; staminate flowers 4-18, carpellate flowers 1 to 4; peduncle well developed, terete, erect or ascending, (4.5-)6-14(-17) cm long, 1-2 mm thick, glandular-pilose or glandulosepilose. Bracts caducous, ovate to orbicular, margin denticulate and ciliate, apex obtuse or rounded, 2-5 mm long, 2-4 mm wide, membranaceous. Staminate flowers: pedicel 9-25 mm long; tepals 4, orange colored, outer 2 suborbicular, base rounded or slightly cordate, margin eciliate or sparsely ciliate, apex rounded, 9-14 mm long, 8-13 mm wide, pilose or glandular hary on outer surface, inner 2 tepals oblong or obovate, apex obtuse, 5-8 mm long, 3-4 mm wide; androecium zygomorphic, stamens ca. 15-20, filaments 1.5-2.5 mm long, partly fused at base; anthers ascending, 2-locular, slightly compressed, oblong-obovoid, connective apex slightly emarginate, ca. 1 mm long. Carpellate flowers: pedicel 1-2 cm long, sometimes with one or two bracteoles on upper part; tepals 3, orange colored, caducous, outer 2 suborbicular, margin entire, eciliate, 8-13 mm long, 8-13 mm wide, pilose or glandular hary on outer surface; inner 1 oblong or narrowly obovate, apex obtuse or acute, ca. 7 mm long, 2-3 mm wide, glabrous; ovary trigonous, ellipsoid, ca. 0.5-1 cm long, 4-5 mm thick (wings excluded), pilose or glandular hary, 3-winged; wings unequal, lateral wings 2-4 mm tall, abaxial wing protruded, crescent-shaped or nearly so, 4-7 mm tall; locule 1; placentation intruded parietal from lower 1/3 to 1/2 of ovary to summit; placentae 3, each 2-branched; styles 3, fused in lower 1/3, yellow, ca. 3-3.5 mm long, apically C-shaped; stigmatic band slightly spiraled. Capsules nodding, stipe 1.5-2.5 cm, fruit body ca. 9-12 mm long, 4-6 mm thick (wings excluded), abaxial wing 7-10 mm tall. Seeds numerous, brown, 0.47-0.53 mm long, 0.28-0.31 mm across, chalazal end rotund; operculum obtuse to subtruncate; collar cells elongated, nearly straight, 10-12 cells in a ring, occupying 1/4-1/2 of seed length, anticlinal boundaries of collar cells and between collar cells and operculum usually channeled; anticlinal boundaries of testa cells consistently channeled. Somatic chromosome number, 2n = 30 (Figure 3).
分布:Guangxi: Jingxi Xian, Xinjing Zhen
性质:sp. nov.
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耳托秋海棠Begonia auritistipulaBEGONIACEAE2005
世界秋海棠属侧膜组植物新资料
作者:税玉民, 陈文红
文献:Acta Bot. Yunnan. 27(4): 357, fig. 2 (2005).
形态描述:Herbs vinelike. Rhizomes long creeping, zigzag, 30-50 cm, 3-5 mm in diam., sparsely hirsute-villous; internodes 3-5 cm. Leaves all basal; stipules broadly ovate, 9-11 mm, base obliquely auriculate, margin entire; petiole 9-12 cm, sparsely reflexed hirsute; blade ovate, 10-18 × 4-7 cm, papery, rugose, abaxially hirsute-pilose on veins, adaxially setulose, base obliquely deeply cordate, margin serrulate and ciliate, apex acuminate. Inflorescences axillary, flowers 8-13 in 2-4 times branched dichasial cyme; peduncle 5-9 cm, glabrous; bracts oblong or broadly obovate, 1.2-1.4 × 0.9-1.1 cm, glabrous, margin ciliate, apex rounded. Staminate flowers: pedicel ca. 1.5 cm, glabrous; tepals 4, outer 2 pink, with red veins, suborbicular, 1-1.2 cm in diam., abaxially sparsely hirsute, inner 2 white or pinkish, elliptic, 9-10 × 3-3.5 mm, glabrous; androecium zygomorphic; stamens numerous; filaments nearly free, 0.8-1 mm; anthers obovoid, ca. 1.3 × 0.7 mm, apex emarginate. Pistillate flowers: tepals 3, outer 2 with pink veins, suborbicular, 0.8-1 cm in diam., abaxially strigose-hirsute; ovary 5-6 × 4-4.5 mm, sparsely strigose-hirsute, 1-loculed with parietal placentation; styles 3, free, 1.8-2.3 mm; wings 3, unequal, apex truncate or rounded. Capsule unknown. Fl. May-Nov.
分布:Guangxi(广西): Without detailed locality, cultivated in Guangxi Botanical Garden of Medicinal Plant
性质:sp. nov.
        
桂南秋海棠Begonia austroguangxiensisBEGONIACEAE2005
世界秋海棠属侧膜组植物新资料
作者:税玉民, 陈文红
文献:Acta Bot. Yunnan. 27(4): 359, fig. 3 (2005).
形态描述:Herbs rhizomatous. Rhizomes 4-7 cm, 3-4 mm in diam.; internodes 2-3 mm, sparsely hirsute-villous. Leaves all basal; stipules triangular, 5-6 × 2-3 mm, margin entire; petiole 6-20 cm, hirsute-villous; blade broadly ovate or suborbicular, 5-9 × 6-8 cm, abaxially tomentose-pilose on major veins and sparsely so on minor veins, adaxially flat and very sparsely setulose, base obliquely deeply cordate, margin serrulate and ciliate, apex rounded or obtuse. Inflorescences axillary, flowers 5-12 in a dichasial cyme; peduncle 3-20 cm, pilose or subglabrous; bracts triangular, ovate or rounded, 2.5-5 × 2-3.5 mm, margin entire or serrulate and ciliate. Staminate flowers: tepals 4, outer 2 pinkish or white, suborbicular or broadly ovate, 8-17 mm in diam., abaxially pilose or glabrous, inner 2 white, obovate to oblanceolate, 8-14 × 3-4 mm; stamens numerous; filaments nearly free, 1-1.5 mm; anthers obovoid, 1-1.3 mm, apex subemarginate. Pistillate flowers: tepals 3, outer 2 pinkish or white, suborbicular, 6-9 mm in diam., inner 1 obovate, 4-7 × 2-3.5 mm; styles 3, free, 2-3 mm; ovary 1-loculed with parietal placentation. Capsule nodding, 8-9 × 10-12 mm, pilose or glabrous, apex with persistent styles; wings 3, unequal, lunate, larger one 3-6 mm. Fl. May-Oct.
分布:Guangxi(广西): Longzhou(龙州)
性质:sp. nov.
        
巴馬秋海棠Begonia bamaensisBegoniaceae2007
Begonia bamaensis (sect. Coelocentrum, Begoniaceae), a new species from limestone areas in Guangxi, China
作者:Yan LIU, Shin-Ming KU, Ching-I PENG
文献:Bot. Stud. (Taipei) 48(4): 465 (-473; figs., map). 2007.
形态描述:Herbs monoecious; epipetric; perennial; rhizomatous. Rhizome 3-15 cm or longer, 9-17 mm thick, internodes (3-)5-7(-10) mm long, brown, reddish brown or greenish brown, villous near petiole bases and leaf scars. Stipules caducous, ovate-triangular, 7-10 mm long, 5-13 mm wide, greenish or reddish-hyaline, herbaceous, weakly keeled or not keeled, abaxially glabrous or with few hairs along midrib, margin serrulate-ciliolate or subentire, apex aristate, arista 0.5-4 mm long, hair-like. Leaves 2-9, alternate, simple, asymmetric, unlobed, broadly ovate or suborbicular, base deeply cordate, margin crenatedenticulate and ciliolate, apex shortly acuminate, or acute, rarely obtuse, variable in size, (7-)10-25(-32) cm long (basal lobes included), (5.7-)9-20(-30) cm wide, adaxial surface green, usually adorned with white bands or white patches between major veins, greenish on abaxial surface, texture papery, surface rugose or rugulose, adaxially densely setulose to hispidulous (Figure 3A) trichomes 0.2-0.6 mm long, whitish-hyaline), abaxially pilosetomentulose to tomentose, pronounced on veins (Figure 3C); venation basally 7-palmate, midrib distinct, veins pinnate along midrib, with 1-3 major lateral veins on each side, other primary veins branching dichotomously or nearly so, tertiary veins reticulate and weakly percurrent, forming a divergence angle of 70-90° to major veins, minor veins reticulate, all veins on abaxial surface prominently raised; petiole terete, (5-)9-22(-26) cm long, 3-7 mm thick, brownish or brownish red, hirsutevillous. Stomata raised on columns (Figures 3-E, G; 4-A, B). Inflorescences axillary, 1-6 or more, arising directly from rhizome, sometimes with inflorescence scales at peduncle base, flowers 8-36 in a dichasial cyme, branched 3 to 6 times; staminate flowers 7-32, carpellate flowers 2-6; peduncle well developed, terete, erect or ascending, (2-)4-14(-19) cm long, 1.5-3 mm thick, brownish, reddish brown or greenish, pilose or sparsely pilose, sometimes glabrous. Bracts caducous, reniform, oblong or ovate, margin denticulate and ciliate (cilia with a minute, glandular tip), apex rounded, obtuse or acute, 2-6 mm long, 1.5-5 mm wide, greenish or brownish, membranous. Staminate flowers: pedicel 8-20 mm long, glabrous or pilose, erect or ascending; tepals 4, outer 2 broadly ovate or suborbicular, base rounded or slightly cordate, margin entire, eciliate or sometimes ciliate on first flower, apex rounded, 7-14.5 mm long, 7-13.5 mm wide, pinkish, white or greenish white, abaxially pilose (trichomes reddish or whitish); inner 2 tepals obovate, narrowly obovate, elliptic or oblanceolate, base cuneate, margin entire, eciliate, apex obtuse or rounded, 6-10 mm long, 2.5-5 mm wide, white, glabrous; androecium zygomorphic, subglobose, stamens 20-35, golf-club-shaped; filaments subequal, 1.1-1.3 mm long, partly fused at base; anthers ± ascending, 2-locular, slightly compressed, oblong-obovoid, connective apex slightly emarginate, 0.9-1.3 mm long, 0.6-0.7 mm wide, yellow. Carpellate flowers: pedicel 4-15 mm long, horizontally spreading to pendent, bracteole absent or sometimes 1, small; tepals 3, caducous, if persistent not thickened when fruiting, outer 2 tepals suborbicular or broadly obovate, margin entire, eciliate, 7-13.5 mm long, 7-14.5 mm wide, white or pinkish, abaxially pilose; inner tepal oblanceolate, obovate or narrowly so, base cuneate, apex obtuse, 7-10 mm long, 3-4 mm wide, white, glabrous; ovary trigonous-ellipsoid, (4.5-)9-11.5 mm long, (2-)3.5-4.5 mm thick (wings excluded), white or reddish white, hirsute-pilose or villous-pilose (trichomes 1-2 mm long, ±curly, white or reddish), 3-winged; 1-locular with intruded parietal placentation (axile at base); placentae 3, each bifurcate; styles 3, nearly free, yellow, ca. 2-3.5 mm long, apically C-shaped; stigmatic band spiraled. Capsule nodding, trigonous-ellipsoid, 7-12 mm long, 5-7 mm thick (wings excluded), apex with persistent styles; wings unequal or subequal; lateral wings 1-2.5 mm tall; abaxial wing crescent-shaped or nearly so, 3-5 mm tall, distinctly curved toward one side. Seeds numerous, brown, ellipsoid or broadly so, 0.43-0.63 mm long, 0.26-0.34 mm thick, chalazal end rounded, micropylar end obtuse or slightly constricted, outer periclinal walls of mature seeds concave; collar cells elongated, straight, nearly rectangular, 10-14 cells in a ring, occupying 1/4-1/2 of seed length.
分布:Guangxi: Bama Yaozu Zizhixian
性质:sp. nov.
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双花秋海棠Begonia bifloraBEGONIACEAE1997
中国秋海棠属新植物(续)
作者:吴征镒, 谷粹芝
文献:Acta Phytotax. Sin. 35(1): 43, pl. 25 (1997).
形态描述:Herbs, rhizomatous. Rhizomes 3-10 mm in diam.; internodes 3-6 mm. Leaves all basal; stipules generally persistent, ovate-triangular, 4-10 × 3-6 mm, abaxially subglabrous; petiole 4-22 cm, hirsute-villous; blade adaxially without white bands or patches, obliquely broadly ovate, 8-25 × 7-23 cm, papery, abaxially pubescent, more densely so on veins, adaxially sparsely setulose or hispidulous, basally 5-7-veined, tertiary veins percurrent and reticulate, base deeply cordate, margin crenulate and irregularly denticulate, apex obtuse, sometimes rounded or acute. Inflorescences 4-13-flowered; peduncle 5-7.5 cm, glabrous or sparsely pilose; bracts caducous, oblong or ovate to broadly lanceolate, 2-3 × 1.2-2.5 mm. Staminate flowers: pedicel 8-15 mm; tepals 4, outer 2 pinkish or slightly yellowish green, broadly ovate or suborbicular, 4-11 × 5-9 mm, abaxially glabrous or sparsely pilose, inner 2 obovate or elliptic, 6-9 × 3-5 mm, glabrous; stamens 24-30; filaments fused into a short column at base, anthers obovoid, 0.6-0.9 × 0.5-0.75 mm. Pistillate flowers: pedicel 7-14 mm; tepals 3, outer 2 suborbicular, 6-9.5 × 6-8 mm; ovary glabrous or pilose, 1-loculed with parietal placentation; styles 3, free. Capsule nodding, 6-9 mm, glabrous or pilose, unequally or subequally 3-winged; abaxial wing lunate, 2-4.5 mm; lateral wings smaller. Fl. Jan-May, fr. Feb-Jul.
分布:Yunnan(云南): Malipo(麻栗坡), Tianbao(天保)
性质:sp. nov.
        
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