Echinocarpus dasycarpus Bentham, J. Proc. Linn. Soc., Bot. 5(Suppl. 2): 73. 1861 ["dasycarpa"]; Sloanea formosana H. L. Li.

Trees evergreen, 8-12 m tall. Branchlets glabrous. Petiole 2-3 cm, slender, glabrous; leaf blade oblong or obovate-oblong, broadest at middle or above, 12-20 × 4-7 cm, membranous or papery, glabrous or sparsely pilose at first, glabrescent, or pubescent only in vein axils, lateral veins 4 or 5 per side, prominent abaxially, conspicuous adaxially, veinlets conspicuous, more so abaxially, tapered into narrow and obtuse or rounded base, margin entire or minutely denticulate, apex acuminate or acute. Flowers axillary in upper part of twigs. Pedicel 2-4 cm, puberulent. Sepals 4 or 5, broadly ovate, ca. 5 mm, puberulent, apex rounded. Petals unequal in length, 6-8 mm, abaxially puberulent, incised at apices. Stamens shorter than petals. Ovary roughly pubescent; style 6-8 mm, glabrous. Capsule globose, 2-2.5 cm in diam., 3- or 4-valved; valves ca. 2 mm thick; prickles brown, 6-8 mm. Seeds black, shiny, ca. 8 mm; aril thin. Fl. Apr-May, fr. Sep-Oct.

Forests; 1400-2100 m. Fujian, Hainan, Taiwan, Xizang, Yunnan [Bhutan, E India, Myanmar, Vietnam].