S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 12 km to N of Dak Gley town (24 km by road), near Mang Khen village. Secondary wet mountain evergreen forest rich in primary elements at 1100-1200 m alt. Herb up to 0.6 m high. Flowers scarlet. Very common in wet places, especially along streams.
No VH 1711 16.11.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)