Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30′13.6″N, 105°49′23.9″E, 520 m a.s.l.
Primary dry evergreen and semideciduous broad-leaved forest on sandy alluvial terrace and slopes of river valley between karstic limestone hills at 180-220 m a.s.l.
Creeping terrestrial herb on shady steep slope along river. Leaves dark green with irregular white median stripe. Locally very common.
8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 810.