N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Quang Vinh (N 22ш51' E 106ш14'), about 21 km from Cao Bang town to the N. Open secondary broadleaved forest with bamboos along tops of remnant limestone ridge at 800-850 m alt. Herb vine up to 2-3 m lg. Not common. No CBL 1006 09 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic
Record creation: 2026-02-26, Galina Savich, PhotoScan D2Citation: Specimen LE 01318919 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318919