Vientiane Prov., Vang Vieng Distr., Nam Pe village, about 12 km to the W of Vang Vieng town, around point 18°58′41.0”N 102°18′54.1”E.
Dry broad-leaved primary and secondary evergreen and semideciduous forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 500-1000 m.
Terrestrial and lithophytic tuberiferous ephemeroid herb with inflorescence to 0.5 m tall. Spathe white, purple at base. Male flowers light yellowish, female flowers dark purple. Inflorescence stalk brown, white spotted. Not common.