Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial and lithophytic rosulate herb with tessellated leaves. Common. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 660.
Herbarium prepared in10.02.2021. Doral sepal and synsepalum light green with green nerves, sepals greenish with many brown spots, lip dark purple, staminode light green with green nerves. AL 660.2 L. Averyanov.
Coordinates (geographic position):17° 35′ 0.3″ N, 105° 47′ 35.6″ E ±1000 mRecord creation: 2021-03-06, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01077012 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077012