Dien Bien Prov., Tua Chua Distr., Tua Thang Municipality, Ta Xi Lang village, around point 21°57′17”N 103°25′31”E.
Highly degraded primary and secondary evergreen broadleaved forest on very steep slopes and on tops of remnant mountains composed with solid limestone at elevation 850-950 m a.s.l.
Lithophytic tuberiferous herb on shady mossy rocks. Male flowers white, spathe olive-green with violet tint white to yellowish spotted. Not common.