N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh, vicinities Ca Lu village, about 7-8 km to SE from Yen Lac village (N
22ш44' E 105ш50'), about 38 km to NWW from Cao Bang town. Open secondary grassland slopes on alluvial walley and foothills of karst
remnant limestone ridge at 1100-1150 m alt. herb up to 1.5 m hg. Flowers pink-violet. Not common.
No CBL 565 21 Nov. 1998
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)
Collectors: Averyanov L., P.K.Loc, N.X.Tam.
Record creation: 2026-02-24, Galina Savich, PhotoScan D2Citation: Specimen LE 01318804 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318804