尖叶榕 jian ye rong

Ficus acanthocarpa H. Léveillé & Vaniot.

Trees, 3-10 m tall. Branchlets yellowish brown, narrowly winged, glabrous. Stipules 3.5-6 mm, soon caducous. Petiole 1-1.5 cm; leaf blade obovate-oblong to narrowly lanceolate, usually with 3-5 ovate lobes, 7-16 × 2.5-5 cm, both surfaces with cystoliths, abaxially green, adaxially darker green, base cuneate, margin entire or apically with sparse teeth, apex acuminate to caudate; basal lateral veins to 1/4 of leaf blade length, secondary veins 5-7 on each side of midvein, abaxially conspicuous. Figs axillary on normal leafy shoots, solitary, erect, reddish orange when mature, globose to ellipsoid, ± beaked when young, 1-2 cm in diam., smooth; peduncle 5-6 mm; involucral bracts 3; outer apical bracts erect. Male flowers: near apical pore or scattered, long-pedicellate; calyx lobes 4 or 5, white, oblanceolate, pubescent; stamens 3-5; anther ellipsoid. Gall flowers: basal to female flowers in fig, pedicellate; calyx lobes 5, ovate-lanceolate. Female flowers: ovary ovoid; style lateral; stigma 2-branched. Achenes ovoid, smooth, with 1 row of small tubercles. Fl. May-Jun, fr. Jul-Sep.

Mountain slopes, beside streams; 600-1300(-1600) m. S Gansu, W Guangxi, Guizhou, W Hubei, Hunan, SW Sichuan, SE Xizang, C and SE Yunnan [N Vietnam].

The fruit are edible.