Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng Mountain. Primary and secondary broad-leaved forest on steep mountain slopes composed of sandstone and gray shale at elevation 1300-2000 m a.s.l. around point 19°12’54’’N 104°12’01’’E. Creeping terrestrial herb on shady steep slope. Leaves nearly almost black with median whitish stripe. Not common.
Fl. in cult. In September 2014. Flowers odorless, sepals and petals light olive green flushed with brown-purple to apex, lip golden-yellow, spur red, column dull yellow, ovary and floral bract dark reddish-brown. Photos. L.Averyanov
Coordinates (geographic position):19° 12′ 54″ N, 104° 12′ 1″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074328 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074328