Vientiane Prov., Kasi Distr., Thong Mout village, around point 19°26'51.5"N 102°07'45.8"E. Primary broad-leaved evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline stratified limestone at elevation 1550-1650 m. Lithophytic vine to 2 m long with inflorescence to 1 m long. Common. LA-VN 608 20 March 2013. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy
Coordinates (geographic position):19° 26′ 51.5″ N, 102° 7′ 45.8″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054980 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054980