VIETNAM. Son La Province, Quynh Nhai District, Muong Giang Commune, remnant primary evergreen broad-leaved forest on limestone mountains, in middle of steep slopes at elevation of 1190 m a.s.l., around point 21.63377° N 103.55414° E. Terrestrial or lithophytic perennial herb about 50–100 cm long, stem prostrate and erect, flower green then turning yellowish, fruits reddish orange, locally common, 6 March 2019, Nguyen Sinh Khang & Vi Van Dang, NSK 1163