皱皮油丹 zhou pi you dan

Trees, up to 12 m tall, to 60 cm d.b.h. Branchlets terete, robust, ca. 7 mm in diam., wrinkled, with dense leaf scars near top. Leaves inserted at apex of branchlet, dense and nearly verticillate; petiole robust, 1.5-2.5 cm; leaf blade greenish abaxially when dry, brownish and shiny adaxially, oblong-obovate or oblong-oblanceolate, 15-36 × 4-10 cm, leathery, midrib brownish, conspicuously elevated abaxially, impressed adaxially, veins and veinlets conspicuous, reticulate, base cuneate, apex shortly acuminate. Flowers unknown. Infructescence subterminal, ca. 12.5 cm, robust; peduncle (6-)8-15 cm, glabrous. Fruit oblate, ca. 2.5 × 3 cm; fruit stalk robust, 1-1.5 cm, 5-8 mm in diam. on top, fleshy, red and warty when fresh. Fr. Jul-Dec.

● Mixed forests in valleys; 1200-1300 m. Hainan.