N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, E macroslope of Pu Luong range around point 20º29'38''N, 105º06'36''E at elev. 600 m a.s.l. (Pha Noi pass). Secondary evergreen shrubs on shale soil. Trunk up to 3-5 m tall. Sparsely in closed evergreen forest. Common.
Record creation: 2026-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203688 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203688