Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29'39.3"N, 105°50'24.6"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 350-430 m a.s.l. Lithophytic clustering herb on open rocks. Occasional.
9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 838.
Coordinates (geographic position):17° 29′ 39.3″ N, 105° 50′ 24.6″ E ±1000 mRecord creation: 2019-01-11, Leonid Averyanov, Microtek 1600. Processing status: work_status_1Citation: Specimen LE 01048749 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048749