Quang Tri Prov., Huong Hoa Distr., Huong Viet municipality around point 16°51’06”N 106°34’38”E.
Partially destroyed primary broadleaved evergreen forest on very steep rocky slopes of remnant hills composed with solid highly eroded crystalline limestone at elev. about 600-700 m a.s.l.
Woody vine to 20 m long in rather open slope. Flowers white. Not common.
Record creation: 2021-11-12, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01122985 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122985