Description from Flora of China
Ficus maclellandii var. rhododendrifolia Corner; F. rhododendrifolia (Miquel) Miquel (1867), not Kunth & Boucharlet (1847); Urostigma rhododendrifolium Miquel.
Trees, 15-20 m tall. Bark gray, smooth. Branchlets dark brown, ribbed and densely tuberculate [pale lenticellate], sparsely pilose but rapidly glabrescent. Stipules lanceolate, 0.4-1 cm, sparsely appressed pilose. Petiole 1.3-1.7 cm glabrous; leaf blade oblong to ovate-elliptic, 8-13 × 4-6 cm, leathery, glabrous but occasionally pubescent when young, base rounded to cuneate, margin entire, apex acuminate to mucronate; basal lateral veins 2, prominent, secondary veins 10-13 on each side of midvein, conspicuous on both surfaces, and with cystoliths between veins. Figs axillary on leafy branchlets, paired, purplish red when mature, ± globose to conic, slightly flat, 6-8 mm in diam., tuberculate [some subapical bracts present], sessile; involucral bracts 2 or 3, ovate, 2-3 mm, unequal in size. Male, gall, and female flowers within same fig. Male flowers: few, near apical pore. Gall flowers: similar to female flowers but pedicellate. Female flowers: sessile; calyx lobes 3, lanceolate; ovary ovoid; style apical. Fl. May-Jun.
Along streams, plains; 400-1200 m. Yunnan [Bangladesh, Bhutan, NE India, Malaysia, Myanmar, Sikkim, Thailand, Vietnam].