Thua Thien - Hue Prov., A Luoi Distr., Huong Nguyen municipality, around point 16°02’00”N 107°30’18”E. Open secondary broadleaved evergreen forest along road on steep mountain slopes composed with shale at elev. about 750 m a.s.l.
Terrestrial sedge to 2 m tall on very steep, shady wet slope. Common.