Luang Prabang prov., Ngoy distr., Don Khun village, near waterfall, around point 20°31'36.9''N 102°35'15.8''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 450-550 m a.s.l. along mountain stream. Semi-woody creeping epiphyte and lithophyte vine on open rocks. Common.
Record creation: 2021-11-12, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01122826 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122826