N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Yen Lac, vicinities of Yen Lac village (N 22ø44' E 105ø50'), about 44 km to NWW
from Cao Bang town. Secondary open shrubs among limestone rocks on alluvial foothills of limestone remnant ridge at 1100 m alt. Herb up
to 1 m hg in open wet place. Flowers yellow. Common weed in the area.
No CBL 434 18 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: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317217 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317217