FLORA OF VIETNAM
Orchidaceae
Paphiopedilum henryanum Braem

N. Vietnam, Ha Giang prov., Dong Van distr., Tu Tinh municipality (N
23°05′ E 105°15′), 40.7 km to 43° of Ha Giang city. Remnants of dry
broadleaved evergreen forest on steep slopes and cliffs near the top
of karst limestone isolated mesae at elev. 600-750 m a.s.l. Lithophyte
forb on rocks crevices of shady cliff of N exposition. Very rare.

NTH 3533 10 Oct. 1999

Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.