Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12′57”N 102°14′59”E).
Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m.
Woody vine 20-30 m long and 10 cm in diam. on shady slope. Not common.
LA-VN 730 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy
Coordinates (geographic position):19° 12′ 57″ N, 102° 14′ 59″ E ±1000 mRecord creation: 2020-02-21, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01068341 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068341