Description from Flora of China
Cyrtandra kotoensis Hosokawa.
Shrubs. Stems to 1.5 m, densely brownish pilose. Petiole 1-4 cm; leaf blade elliptic to broadly oblanceolate, 12-36 X 4-10.5 cm, adaxially glabrescent, puberulent along veins, abaxially glabrous to sparsely puberulent, densely puberulent along veins, base cuneate, margin serrulate to undulate, apex acuminate. Peduncle 0.8-3 cm, densely rust-brown puberulent; bracts free, lanceolate, 4-12 mm, puberulent. Calyx 4-6 mm; tube 2-3 mm; lobes narrowly triangular, 2-3 mm. Corolla white, 1-1.3 cm; tube funnelform tubular, 6-8 mm; adaxial lip slightly longer than abaxial lip; abaxial lip central lobe suborbicular, ca. 4 X 4 mm, lateral lobes ca. 2 X 4 mm. Stamens subincluded, ca. 4 mm; filaments glandular puberulent; anthers dorsifixed; staminodes 2, ca. 1 mm. Disc cupular, 1-1.8 mm. Pistil exserted or not, ca. 8 mm; ovary glabrous. Style 4-5 mm, sparsely glandular puberulent. Berries ellipsoid, ca. 8 mm. Fl. Feb-May, Dec, fr. May.
Moist shady forests; near sea level to 400 m. S Taiwan (Lanyu Island) [Philippines].