N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Dinh Phung, Nam Linh mt. (N 22°47′ E 105°49′). Old secondary broadleaved wet mossy cloud forest along tops of remnant karst limestone Nam Linh ridge at 1550-1600 m alt. Palm up to 3 m hg with leaves up to 4 m lg, male sample. Flowers yellow. Very common. Codominante of 2 forest stratum.
CBL 1421 15 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)