Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial herb among mossy rocks. Not common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 656a.
Coordinates (geographic position):17° 35′ 18.1″ N, 105° 47′ 47.5″ E ±1000 mRecord creation: 2019-01-17, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01048122 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048122