FLORA OF VIETNAM
Orchidaceae Juss.
Vanilla annamica Gagnep.

N. Vietnam, Thai Nguyen prov., Dong Hy distr., Tan Long municipality, vicinities of Mo Ba village (21°46′21′'N, 105°52′07′'E). Primary wet broad-leaved evergreen closed forest (with Burettiodendron hsienmu as a main dominant) on remnant highly eroded limestone ridge at elev. 400-450 m a.s.l. Creeping epiphyte vine up to 10 m lg. Flower buds light green. Not common.
HAL 061 15 March 2001
Collectors: P.K.Loc, N.X.Tam, L. Averyanov.