Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Treelet about 3.5 m tall on steep slope. Flower buds light purple. Not rare.
9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4221 (NHC032).
Record creation: 2025-06-13, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203178 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203178