S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, Bach Ma mt, Hai Vong Dai peak, around point 16°11'46''N 107°51'45''E at elev. 1300-1350 m a.s.l. Mixed and broad-leaved evergreen primary closed mt forest on steep granite slopes. Shrub 2-3 m tall with milky juice on steep shady slope. Flowers yellowish-white. Common.
Record creation: 2026-10-19, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360757 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360757