N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Thai Hoc, about 5-6 km to ENE of Nguyen Binh town (N 22ш39' E 105ш57').
Secondary open shrubs on steep slopes of karst remnant limestone mesae at 500-550 m elev. Terrestrial herb in wet place along road. Flowers
pale lilac-violet. Common. Commonest weed in the area.
No CBL 1624 21 April 1999
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)
Collectors: P.K.Loc, P.H.Hoang, Averyanov L.
Record creation: 2026-02-24, Galina Savich, PhotoScan D2Citation: Specimen LE 01318799 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318799