The phenology, reproduction and community characteristics of Changnienia amoena, a rare species in southern part of Shennong-jia Mountain range
神农架南坡珍稀植物独花兰的物候、繁殖及分布的群落特征

Changnienia amoena is a rare species endemic to China, which belongs to Orchidaceae. In order to understand why this plant has been endangered, we studied the phenology,reproduction and community characteristics of C. amoena populations that occurred in southern part of Shennongjia Mountain range. Thirteen plots were sampled to investigate the community composition. Our results showed that C. amoena generally distributed on shaded slope of 15~45°, with altitudes of 1300~1700m. Its buds emerged to above grou...