N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Cho Dien village, Then Su mt., 22°14′28′'N 105°29′50′'E. Secondary open evergreen broadleaved forest with bamboo on very steep slopes and cliffs of remnant mountains composed with highly eroded crystalline limestone near top of ridge at elev. 200-250 m a.s.l. Terrestrial herb in shady places. Occasional. HLF 879 26 Dec. 2002. Coll. Phan Ke Loc, L.Averyanov, Nguyen Anh Duc, To Van Thao, Mai Van Xinh, Nguyen Tien Vinh. Grant from Henry Luce Foundation.
Coordinates (geographic position):22° 14′ 28″ N, 105° 29′ 50″ E ±1000 mRecord creation: 2020-12-28, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01076612 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01076612