Description from
Flora of China
Ficus tannoensis f. angustifolia Hayata; F. tannoensis f. rhombifolia Hayata.
Shrubs, evergreen, scandent. Branchlets pale red to reddish brown, sparsely pubescent to subglabrous, rooting at nodes. Stipules caducous, linear-lanceolate, 0.5-1.5 cm, membranous, pubescent. Petiole 0.5-1.5 cm, sparsely pubescent and with scale-like hairs; leaf blade linear, narrowly lanceolate, obovate-rhombic, or ± rhombic, 2-13 × 0.3-2 cm, thinly papery to papery, base obtuse, rounded, slightly cordate, or auriculate, margin entire or irregularly undulate with 2 or 3 teeth on each side, apex acuminate to acute; basal lateral veins 2-4, short; secondary veins 3-12 on each side of midvein. Figs axillary on normal leafy shoots, solitary or paired, pale brown, ± pear-shaped to globose, 1.3-1.5 × ca. 1.2 cm, glabrous; peduncle (3-)5-7 mm, scurfy; involucral bracts membranous. Male flowers: pedicellate; calyx lobes 3 or 4; stamens 2 or 3. Gall flowers: pedicellate or sessile; calyx lobes 3-5; ovary stipitate, globose to obliquely ovoid, smooth; style lateral, short; stigma enlarged or truncate. Female flowers: many, sessile or shortly pedicellate; calyx lobes 3 or 4; ovary sessile, globose, smooth; style lateral, long; stigma funnelform. Fl. Mar-Apr, fr. May-Jun.
* Littoral forests.Near sea level. S Taiwan.