FLORA OF VIETNAM
Rubiaceae

N. Vietnam, Thai Nguyen prov., Dong Hy distr., Tan Long municipality,
vicinities of Mo Ba village (21°46′26′'N, 105°52′25′'E). Primary wet
broad-leaved evergreen closed forest (with Burettiodendron hsienmu as
a main dominant) on remnant highly eroded limestone ridge at elev.
400-550 m a.s.l. Terrestrial herb about 0.4 m hg among wet shady
rocks. Flowers light green. Common.

HAL 004 14 March 2001

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