Quang Ninh Province, Van Don District, Van Yen Commune, Bai Tu Long National Park, Cai Lim protection sector|, around point 21º06’30’’N 107º34’42’’E. Young secondary evergreen broad-leaved forest along sea shore on limestone. Herbaceous vine to 3 m long on exposed rocks and vertical cliffs. Locally very common. Flowers white, corona red in center.
17 May 2025, Cuong Huu Nguyen, Ha Van Dang, Ly Van Nguyen, Nam Van Duong, Tuan Thanh Tran, Hai Xuan Cao, L. Averyanov, T. Maisak, AL4371 (NHC171).
Record creation: 2025-06-18, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203321 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203321