Quang Binh Prov., Minh Hoa Distr., Hoa Tien municipality, La Van village, around point 17°51'45"N 105°49'45"E. Highly degraded primary and secondary evergreen broadleaved forest on very steep rocky slopes of remnant limestone hills composed with highly eroded marble-like crystalline limestone at elev. 200-450 m a.s.l. Terrestrial rosulate herb among rocks on very steep shady rocky slope. Leaves dark glossy green with median broad whitish stripe. Occasional.