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.
Lithophytic undershrub 0.5 m tall on exposed mossy rocks on rocky top of mountain. Flowers red, apex greenish. Common.
LA-VN 865 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: 2020-03-14, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01068364 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068364