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 on tall trees near mountain top. Locally very common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.2.
Flowered in cult. 20 Sept 2019. Photos L. Averyanov, AL 974.2.1
Coordinates (geographic position):17° 31′ 11.1″ N, 105° 46′ 41.4″ E ±1000 mComment:
Record creation: 2019-10-01, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01058797 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058797