Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Comm., Ban On Vill., Hang Kho mt. (about 200 m to N of Ban On HQ), ca. 17°40′21″N, 105°57′59″E, 250-350 m.
On edges and open places of heavily logged primary evergreen broad-leaved forests and woodlands, foot and slopes of limestone mts.
In heavily logged primary evergreen broad-leaved forests, from foot to slopes of limestone mts.