FLORA OF VIETNAM
Malvaceae
Hibiscus grewiaefolius Hassk.

Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°39′11.6”N 105°54′53”E.

Primary broad-leaved closed forest on very steep rocky slope of remnant mountain composed with highly eroded solid crystalline limestone at elevation 400-500 m a.s.l.

Treelet 3-4 m tall on exposed vertical cliff. Flowers yellow, rarely turning orange. Rare.

CPC 3660 24 July 2011
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.