Border area between Phieng Luong municipality (Ha Giang Prov., Bac Me Distr.) and Sinh Long municipalitiy (Tuen Quang Prov., Na Hang Distr.). Primary broad-leaved humid evergreen and mixed forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1170 m a.s.l. around point 22°38’24.3’’N 105°20’21.3’’E.
Creeping epiphyte and lithophyte vine 2-3.5 m long on rocky slope. Occasional.
14 November 2014 CPC 7431a/TM 1138 Living plant only.
Flowered in cult. in October – November 2015. Flowers with strong, unpleasant smell. Photos. Herb. Collected from living plant, L.Averyanov CPC 7431a TM 1138 Garden Number 14372.
Record creation: 2021-11-12, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01122783 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122783