油渣果 you zha guo

Trichosanthes heteroclita Roxburgh, Fl. Ind., ed. 1832, 3: 705. 1832; Hodgsonia heteroclita subsp. indochinensis W. J. de Wilde & Duyfjes.

Plants to 20-30 m. Stem and branches glabrous. Petiole robust, 4-8 cm, striate, glabrous; leaf blade 15-24 × 15-24 cm, leathery, both surfaces glabrous, 3-5-lobed, mostly 5-lobed; lobes ovate-oblong, base truncate, apex acuminate. Male peduncle thick, 15-30 cm, striate, glabrous or puberulent; bracts oblong-lanceolate, 5-10 mm, fleshy; pedicels short, thick, glabrous or puberulent; calyx tube yellowish, narrowly tubular, 7-10(-12) cm × 7-9 mm, dilated only at very apex; segments triangular-lanceolate, 2-4 mm; corolla yellow outside, white inside; segments ca. 5 cm, fimbriate fringes up to 15 cm. Female pedicels robust, short; ovary subglobose, 2-2.2 cm in diam. Fruit reddish brown, compressed globose, 10-16 × ca. 20 cm, smooth or shallowly grooved. Seeds oblong, ca. 7 × 3 cm, mostly compound. Fl. and fr. Jun-Oct.

Thickets, mountain slopes; 300-1500 m. Guangxi, SE Xizang, S Yunnan [Bhutan, Cambodia, India, Laos, Myanmar, Thailand, Vietnam].