FLORA OF VIETNAM
Orchidaceae
Calanthe angustifolia (Blume) Lindl.

N. Vietnam, prov. Lao Cai, distr. Than Uyen, municipality Ho Mit (N
22°06′ E 103°52′). Elevation to Mang Han San quartzite peak by SW
slope from Ban Thao village (SSW macroslope of Hoang Lien Son ridge).
Primary wet evergreen broadleaved forest on very steep rocky slopes at
1600-1700 m elev. Terrestrial and lithophyte (also occasionally
epiphyte at mossy base of old trees) forb on wet steep slope. Not
rare.

NTH 2687 21-22 May 1999

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)

Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.