Location
                                
                                
                                    中国 
西藏自治区 昌都县 Changdu to Jiangda along Zha Qu(river) a tributary of the Lancang Jiang (Mekong River) W of the town of Toba
                                
 
                                
                             
                                
                                
                                    Habitat
                                
                                
                                    picea forest on steep slopes interspersed with small meadow-like areas along ravine on moist slope in dark rich soil Fronds clustered at apex of erect rhizome