FLORA OF VIETNAM
Orchidaceae Juss.
Paphiopedilum hirsutissimum
var. chiwuanum (T.Tang et F.T.Wang) P.J.Cribb

N. Vietnam, Hoa Binh prov., Mai Chau distr., Hang Kia municipality,
near Thung Ang village, mountain Tao Xinh (20°43′43′'N, 104°51′21′'E).
Primary broad-leaved evergreen dry forest with Calocedrus rupestris (?)
on remnant limestone highly eroded ridge at elev 1000-1100 m a.s.l.
Lithophyte herb on very steep rocky slope and vertical cliffs. Flowers
of typical coloration. Common.

HAL 624 6 April 2001

Collectors: N.T.Hiep, L.Averyanov, N.T.Vinh, D.T.Doan.