心叶猴欢喜 xin ye hou huan xi

Trees 15-26 m tall. Branches brown, glabrous; branchlets robust, 6-8 mm in diam., brown puberulent. Petiole 2.5-5 cm, robust, glabrous; leaf blade broadly elliptic or nearly orbicular, 6-25 × 12-18 cm, thickly leathery, glabrous, midvein prominently raised on both surfaces, 2-3 mm wide, lateral veins 8-10 per side, very prominently raised abaxially, prominent adaxially, veinlets prominently raised abaxially, base rounded or truncate, rarely cordate, margin entire, reflexed when dry, apex rounded, acumen short, 1-2 cm. Flowers unknown. Capsule dehiscent into 4 valves; valves 3.5-4 × ca. 2 cm, 4-5 mm thick, woody; prickles yellow, 3-4 mm; endocarp reddish, ca. 1 mm thick, usually separated from mesocarp when dry. Seeds black-brown, shiny, ellipsoid, ca. 1.5 × 0.8 cm; aril yellow-brown when dry, to 7 mm. Fl. Jun-Jul, fr. Nov.

● Forests; 1400-1600 m. SE Yunnan.