Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"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 400-600 m a.s.l. Epiphyte and lithophyte on rocky slope near mountain top. Very commoji. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 998.
Coordinates (geographic position):17° 31′ 11.1″ N, 105° 46′ 41.4″ E ±1000 mRecord creation: 2019-01-11, Leonid Averyanov, Microtek 1600. Processing status: work_status_1Citation: Specimen LE 01048794 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048794