FLORA OF VIETNAM
Orchidaceae Juss.
Phalaenopsis mannii Rchb.f. ?

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. Lithophyte on shady vertical cliffs. Rare.

HAL 017 14 March 2001

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