Son La Prov., Van Ho Distr., Xuan Nha Municipality, Muong An village, territory of Xuan Nha natural reserve. Remnants of primary and secondary broad-leaved evergreen dry forest on cliffs and on very steep slopes of remnant hill composed by highly eroded limestone at elevation 900-1000 m a.s.l. around point 20°44′50.1″N 104°47′54.5″E. Lithophyte and epiphyte on mossy rocky steep slope and on shady cliffs near mountain top. Flowers white. Very common. 16 November 2013 CPC 7242 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, N.D.Thang, L.D.Qui
Coordinates (geographic position):20° 44′ 50.1″ N, 104° 47′ 54.5″ E ±1000 mRecord creation: 2020-12-24, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01075625 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075625