Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’01”N 107°56’31”E.
Remnants of primary and secondary dry broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 600-650 m a.s.l.
Terrestrial herb to 1.5 m tall in open grassy swampy place along small stream. Tepals pure white, lip white with purple-violet nerves and yellow spot on epichile. Locally very common.
Coordinates (geographic position):15° 49′ 1″ N, 107° 56′ 31″ E ±1000 mRecord creation: 2020-06-11, Аверьянов Леонид ВладимировичCitation: Specimen LE 01068356 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068356