Son La Prov., Van Ho Distr., Van Ho comm., Hua Tat village, around point 20°46′21.7N 104°47′47.5E.
Dense bamboo forest on alluvial slope of remnant mountain composed with highly eroded karstic light gray marble-like limestone at elevation about 1100 m a.s.l.
Terrestrial achlorophyllous white mycotrophic herb. Flowers white. Locally very common.