兰屿鱼藤 lan yu yu teng

Pongamia canarensis Dalzell, Hooker’s J. Bot. Kew Gard. Misc. 2: 37. 1850; Derris oblonga Bentham.

Lianas. Branches subglabrous. Leaves 9-15-foliolate; ra­chis to 30 cm, including petiole 4-6 cm; leaflet blades oblong to oblanceolate-oblong, 4-6 × 1-2 cm, subleathery, both surfaces ± glabrous, abaxially glaucous, apex obtuse to acute. Pseudo­panicles much shorter than leaves, rachis short, branches densely compact. Pedicel 3-4 mm, grayish velutinous. Flowers ca. 1.2 cm. Calyx ca. 5 mm. Corolla white or light purple, ca. 1.2 cm; standard ca. 1 cm wide, reflexed, glabrous. Legume broadly oblong, ca. 3 × 2 cm, glabrous; adaxial suture with a wing ca. 2 mm wide. Seed 1 per legume. Fl. Apr, fr. Jun-Jul.

Coastal forest margins; below 100 m. Taiwan (Lan Yu) [Philip­pines].