Description from Flora of China
Ficus caulobotrya (Miquel) Miquel var. fraseri (Miquel) Miquel; F. glabella Blume; F. saxophila Blume var. sublanceolata Miquel; F. virens var. sublanceolata (Miquel) Corner; F. wightiana Wallich ex Bentham; Urostigma fraseri Miquel; U. infectorium Miquel; U. wightianum Miquel.
Trees, epiphytic when young, with buttress or prop roots, deciduous or semideciduous. Stipules lanceolate-ovate, to 1 cm, apex acute. Petiole 2-5 cm; leaf blade obovate, narrowly lanceolate, ovate-lanceolate, or elliptic-ovate, 10-20 × 4-7 cm, thinly leathery to thickly papery, not shiny when dry, base bluntly rounded, cuneate, or cordate, margin entire, apex acuminate to shortly acuminate; basal lateral veins short, secondary veins (5-)7-10(-11) on each side of midvein, and abaxially prominent, reticulate veins ± conspicuous. Figs axillary on leafy branchlets, paired or solitary or in clusters on leafless older branchlets, purple red when mature, globose, 7-12 mm in diam., with conspicuous interfloral bristles, sessile or pedunculate; involucral bracts small. Male, gall, and female flowers within same fig. Male flowers: few, near apical pore, sessile; calyx lobes 4 or 5, lanceolate; stamen 1; filament short; anther broadly ovoid. Gall flowers: pedicellate; calyx lobes 3 or 4; style lateral, shorter than ovary. Female flowers: similar to gall flowers; style longer than ovary. Achenes wrinkled on surface. Fl. Apr-Aug.
Common tree by streamsides in subtropical China; 300-2700 m. Fujian, Guangdong, Guangxi, SW Guizhou, Hainan, Hubei, S Hunan, S Shaanxi, Sichuan, SE Xizang, Yunnan, S Zhejiang [Bhutan, Cambodia, India, Indonesia, Japan, Laos, Malaysia, Myanmar, New Guinea, Philippines, Sikkim, Sri Lanka, Thailand, Vietnam; N Australia].