FLORA OF VIETNAM
Rubiaceae
Ophyorrhiza sp. ?

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 dry forest on very steep slopes of highly eroded remnant
limestone ridge at elev. 450-500 m a.s.l. Lithophyte herb in crevices
of vertical cliffs. Common.

HAL 205 22 March 2001

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