硬果沟瓣 ying guo gou ban

Euonymus sclerocarpus Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 41: 299. 1872.

Evergreen trees or shrubs, 2-12 m tall, often scandent when growing in dense shade. Petiole sturdy, 8-10 mm, wider than 2 mm in diam.; leaf blade leathery or thickly leathery, narrowly oblong to elliptic, rarely obovate, 12-27 × 4.5-9 cm or smaller, base broadly cuneate to rounded, margin sparsely serrate or entire, apex acuminate or obtuse; lateral veins more than 10 pairs, dense, both surfaces plane, obvious. Cymes 1 or 2 × dichotomously branched, usually 3-flowered; peduncle 2-5 cm; pedicels 1-1.5 cm. Flowers yellow-white; petals slightly thick, obovate. Filament very short; anther diverging. Styles short and thick, elongating in bloom. Capsule subglobose, 1.2-2.2 cm in diam.; pericarp brown or fulvous, very thick and rigid, rough with minute tubercles. Seeds oblong, 1-1.5 × 0.8-1 cm; aril yellow, covering ca. 1/2 of seed. Fl. Aug-Jun, fr. Sep-Dec.

Dense forests, mountain slopes; 900-2500 m. Yunnan [India].