粉叶肿荚豆 fen ye zhong jia dou

Trees, glabrous except tawny pubescent inflorescences. Branchlets olive-green becoming gray, smooth. Leaves 7-folio­late; rachis 30-35 cm, including petiole 6-7 cm; petiolules 5-10 mm, blackened when dry; leaflet blades broadly elliptic-ovate, 12-22 × 4-7 cm, abaxially glaucous, adaxially shiny, secondary veins 8-10 on each side of midvein, base tapering, apex acuminate to caudate. Racemes axillary, usually 2-5 api­cally on branchlets, 7-10 cm; rachis nodes congested, with 1 or 2 flowers; peduncle variable in length. Pedicel ca. 3 mm, slen­der. Flower ca. 1 cm. Calyx ca. 5 × 2.5 mm. Corolla white, ca. 1 cm; standard suborbicular, base tapering into a long claw. Ovary linear, with trichomes, with 2-4 ovules. Legume oblong-rhomboid. Fl. Mar-Aug, fr. Jun-Aug.

Seasonal rain forests; 500-1300 m. S Yunnan [Thailand].