描述：13c. Stewartia sinensis var. brevicalyx (S. Z. Yan) T. L. Ming & J. Li, Acta Phytotax. Sin. 34: 60. 1996.
短萼紫茎 duan e zi jing
Stewartia brevicalyx S. Z. Yan, Acta Phytotax. Sin. 19: 466. 1981.
Current year branchlets, winter buds, petioles, pedicels, bracteoles, and sepals glabrous or glabrescent. Bracteoles broadly ovate to subcordate. Outer 2 sepals orbicular to reniform, apex rounded. Fl. May-Jun.● Dense scrub on mountains; 600-700 m. Zhejiang.
From Flora of China: FOC Vol. 12 Page 428