N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thang Loi, vicinities of Ban Hao (N 22°43′ E 106°40′), about 43 km to E from Cao Bang town. Secondary semideciduous broadleaved open forest along tops of remnant limestone ridge at 700 m alt. Palm up to 1.5 m hg. Very common. Usual codominante of shrub forest stratum.
CBL 681 26 Nov. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)