Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Lithophytic dense herb on vertical mossy cliff. Flowers green, late pale yellowish, Not rare.
12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak. AL 1633.
Record creation: 2023-01-31, Tatiana Maisak, PhotoScan D2.. Processing status: work_status_1Citation: Specimen LE 01170139 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01170139