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. Terrestrial herb on shady very steep rocky slope. Common.
Record creation: 2019-04-11, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01049464 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049464