Son La Prov., Yen Chau Distr., Muong Lum Municipality, Na Lang Village, around point 21º01’17’’N 104º30’47’’E. Broad-leaved evergreen dry forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 900-1000 m a.s.l.
Lithophytic herb on open cliff. Flowers yellow. Not common.
HAL 9471 03 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317167 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317167