N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, Bang village, E macroslope of Pu Luong range around point 20º27'34''N, 105º07'17''E at elev. 700 m a.s.l. Secondary evergreen shrubs on shale soil. Between rocks in open place. Common.
Record creation: 2026-03-01, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203792 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203792