白沙黄檀 bai sha huang tan

Woody climbers. Stems glabrous; young shoots sparsely puberulent. Leaves 10-14 cm; petiole puberulent; leaflets 21-31; petiolules ca. 1 mm, puberulent; blades oblong, small, 8-15 × 3-6 mm, membranous, both surfaces appressed silky pu­bescent, base rounded or cuneate, somewhat slightly oblique, apex obtuse to rounded, cuspidate. Panicles axillary, 3-5 × 3-4 cm, rusty pubescent; peduncles 1-2 cm. Flowers minute, 2.5-3 mm, aggregated at apices of few branches of inflorescence; bracts ovate, minute, ca. 0.8 mm, apex acute; bracteoles 2, ob­long, larger than bracts, persistent. Pedicel ca. 1 mm. Calyx shallowly campanulate, ca. 1 mm, 5-toothed; teeth unequal, lowest broadly ovate, upper pair half-orbicular, larger than lat­eral ones, lateral 2 ovate. Corolla white; petals subequal in length, shortly clawed; standard transversely elliptic, base sub­hastate, apex emarginate; wings obovate-oblong; keel broadly elliptic, base of blade auriculate. Stamens 10, monadelphous. Ovary stipitate, oblanceolate, glabrous except on lower suture, 3-ovuled; style short. Legume oblong, finely reticulate through­out. Fl. Apr, fr. Jun.

● Dense forests. Hainan.