Woody lianas; branchlets yellow-brown tomentose. Petiole 2-3 cm, densely yellow tomentose; leaf blade orbicular-obcordate or obovate-obcordate, 6-11 × 7-12 cm, thickly papery to papery or thinly leathery, abaxially yellow tomentose, adaxially glabrous, base rounded or shallowly cordate, apex cuspidate or retuse-acuminate. Panicles axillary, shorter than or equaling leaves, densely yellow-brown pubescent; pedicels slender, 5-10 mm, articulate proximally. Sepals oblong, ca. 1.5 mm, apex obtuse, ciliate. Petals white or yellowish, obovate-oblong, to 5 mm, glabrous. Ovary 3-lobed, glabrous. Samara oblong or suborbicular, 2-2.5 cm, apex retuse, abaxial wing ca. 3 mm wide. Fl. Feb-Mar, fr. Apr-May.

● Forests of higher-elevation hills, sparse forests or shrub forests of valleys or mountains; 600-1600 m. Hainan, S Yunnan.