N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh (N 22°44′ E 105°50′). Secondary broadleaved evergreen forest on foothills of remnant karst limestone ridge at 1200 m elev. Tree up to 6 m hg. Flowers white, pleasant fragrant. Common.
CBL 1322 13 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)