N.Vietnam, Thanh Hoa Prov., Quan Hoa Distr., Phu Le Municipality, Hang village, around point 20є31'48''N, 105є04'40''E. Dry secondary shrubs on clayey shale/sandstone/quartzite slope of river valley at foothills
of rocky ridge composed with crystalline marble-like highly eroded limestone at elev. 100-200 m. Woody vine 4-6 m lg. Flowers yellow with dirty purple tint. Common.
Record creation: 2026-10-19, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360699 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360699