FLORA OF VIETNAM
Rubiaceae

N. Vietnam, Tuyen Quang prov., Na Hang distr., Xuan Tam municipality,
near Ban Cai village (22°29′18′'N, 105°19′47′'E). Primary broad-leaved
evergreen wet forest on very steep slopes of highly eroded remnant
limestone ridge at elev. 350-400 m a.s.l. Terrestrial herb 20-40 cm hg
in shady places. Flowers yellow. Common.

HAL 222 22 March 2001

Collectors: P.K.Loc, N.X.Tam, L. Averyanov.