Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Quang Municipality, Tung Huong village, along Khe Mat stream around point 19º03’07’’N 104º36’57’’E at elevation about 250 m a.s.l. Lowland closed secondary old evergreen forest on steep slopes along rocky stream valley composed with stratified solid shale and sandstone. Semiwoody vine up to 10 m long along steep rocky shady stream slopes. Not common.
HLF 6600 16 March 2007.
Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.
Grant from Henry Luce Foundation.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317150 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317150