小叶楼梯草(原变种) xiao ye lou ti cao (yuan bian zhong)

Procris parva Blume, Bijdr. Fl. Ned. Ind. 512. 1826; Elatostema backeri H. Schroeter; E. backeri var. villosulum W. T. Wang; E. merillii C. B. Robinson; E. minutum Hayata; E. reptans J. D. Hooker; E. stracheyanum Weddell; Pellionia esquirolii H. Léveillé.

Leaf blade apex acuminate or acute. Fl. Jul-Aug.

Mountain forests, rock crevices, streamsides; 500-2800 m. N Guangdong, NW Guangxi, SW Guizhou, S Sichuan, Taiwan, S Yunnan [Bhutan, India, Indonesia, Myanmar, Nepal, Philippines, Sikkim].