锐齿楼梯草(原变种) rui chi lou ti cao (yuan bian zhong)

Procris cyrtandrifolia Zollinger & Moritzi in Moritzi et al., Syst. Verz. 74. 1846; Elatostema herbaceifolium Hayata; E. sessile J. R. Forster & G. Forster var. cyrtandrifolium (Zollinger & Moritzi) Weddell; E. sessile var. pubescens J. D. Hooker.

Stems glabrous or pilose. Leaf blade apex acuminate. Fl. Apr-Oct.

Forests, rocks near valley streamsides; 300-1900 m. Fujian, S Gansu, N Guangdong, W Guangxi, Guizhou, W Hubei, Hunan, Jiangxi, Sichuan, Taiwan, SE Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar].