Vasilis Teodoridis:
Sterculiaceae | Sterculia
24. Sterculia hainanensis Merrill & Chun; Sunyatsenia. 2: 281. 1935.
???? hai nan ping po
Small trees or shrubs. Branchlets glabrous or minutely stellate puberulent when young. Petiole 1.5-2.5 cm; leaf blade oblong or linear-lanceolate; 15-23 x 2.5-6 cm; abaxially and adaxially glabrous; lateral veins 13-18 on each side of midrib;
curved and connected far from margin; base acute or obtuse; apex obtuse or nearly acuminate. Inflorescence racemose; terminal. Male flowers: calyx red; ca. 8 mm; divided nearly to base; abaxially sparsely stellate pilose; lobes oblong or oblong-elliptic; ca. 6 mm. Androgynophore curved. Anthers ca. 8 in circle. Female flowers slightly larger; ca. 10 mm. Ovary globose; style curved. Follicle red; narrowly ellipsoid; ca. 4 cm; abaxially densely velutinous; apical beak ca. 6 mm. Seeds black-brown; ellipsoid; ca. 1 cm. Fl. Jan-Apr.