FLORA OF VIETNAM Apocynaceae Rauwolffia cambodiana
N. Vietnam, prov. Ha Giang, distr. Dong Van, municipality Dong Van, vicinities of Dong Van town (N 23°16′ E 105°22′). Secondary shrubs on steep slopes and bluffs of karst remnant limestone ridges at 1100 m elev. Shrub 0.5-1 m hg in shady place. Flowers white. Not common.
CBL 1706 27 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)