Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18′45.5”N 102°22′31.4”E.
Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m.
Terrestrial herb on shady rocky mountain slope at elev. 1500 m. Leaves uniformly green. Common.
LA-VN 848 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy
Coordinates (geographic position):19° 18′ 45.5″ N, 102° 22′ 31.4″ E ±1000 mRecord creation: 2021-11-09, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01077247 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077247