FLORA OF VIETNAM
Rubiaceae
Ophyorrhiza sp.

N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Lao Va Chai,
vicinities of Ngan Chai village, 6 km to W of Yen Minh town (N 23°07′
E 105°08′). Primary evergreen wet mossy mixed forest (with domination
of Tsuga chinensis and Pinus kwangtungensis) along tops of karst
remnant limestone ridge at 1500-1600 m elev. Shrublet up to 0.6 m hg
in shady slopes. Flowers white? Common.

CBL 1944 01 May 1999

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

Collectors: P.K.Loc, P.H.Hoang, Averyanov L.