Bolikhamsai prov., Thaphabat distr., Nam Bon village, Phou Khao Khouay national park, Tad Xai Waterfall, around point 18º27'25.9''N 103º?08'17.5''E. Degraded primary and secondary evergreen dry forest along rocky river on eroded sandstone at elev. about 350 m a.s.l. Terrestrial herb in shady places on sandy soil. Leaves rigid, uniform green. Rare.
AL 151A 9 December 2015 L.Averyanov, T.Maisak. 1 living plant only.
Flowered in culture on 9 June 2026, L. Averyanov, AL151A.
Record creation: 2026-06-09, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360486 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360486