FLORA OF VIETNAM
Orchidaceae
Dendrobium longicornu Lindl.

N. Vietnam, Ha Giang prov., Yen Minh distr., Lao Va Chai municipality,
vicinities of Lao Va Chai village (N 23°07′ E 105°08′), 35.9 km to 27°
of Ha Giang city. Primary wet evergreen broadleaved closed forest on
very steep slope of karst remnant limestone ridge at 1300 m alt.
Epiphyte. Flowers odourless, tepals white, lip white, epichile orange.
Common. NTH 3460 09 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.