大叶赤榕 da ye chi rong

Urostigma caulocarpum Miquel, London J. Bot. 6: 568. 1847; Ficus infectoria Willdenow var. caulocarpa (Miquel) King; F. stipulosa (Miquel) Miquel; Urostigma stipulosum Miquel.

Trees, large, deciduous. Bark dark brown. Branchlets pale brown, glabrous. Stipules caducous, broadly lanceolate, 2-4 cm. Petiole slender, 2-4 cm, glabrous or sparsely pubescent; leaf blade elliptic to oblong, 15-20 × 7-9.5 cm, papery, glabrous, base obtuse to rounded, margin entire or slightly undulate, apex abruptly shortly acuminate; secondary veins 9-15 on each side of midvein. Figs axillary on leafy branchlets or on leafless main branches, (1 or) in clusters of 2-8, yellow and white tinged red when mature, 5-8 mm in diam., with conspicuous interfloral bristles; peduncle 5-7 mm; involucral bracts cuplike. Male, gall, and female flowers within same fig. Male flowers: few, near apical pore, sessile; calyx lobes 3 or 4, involute; stamen 1; filament very short. Gall flowers: sessile; calyx lobes 2 or 3; ovary globose to obovate, glabrous; style subapical, short; stigma dilated. Female flowers: calyx lobes 2 or 3; ovary obovate, glabrous; style subapical, long. Achenes flat, smooth. Fl. and fr. Apr-Jul.

Low elevations. Taiwan [Indonesia, Japan, Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand].