Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Terrestrial herb to 0.5 m tall in rocky shady place. Not common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 520.
Coordinates (geographic position):17° 34′ 13.3″ N, 105° 47′ 57.5″ E ±1000 mRecord creation: 2019-03-31, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01048750 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048750