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cm long; stipules 0.5-15.0 mm long, deltoid to linear, caducous, possibly lacking in some species; stipels rare, minute, usually acicular. Inflorescence racemose, many flowered, terminal or pseudoterminal; bracts stipuliform, deltoid to lanceo-late, 0.5-10.0 mm long, 0.5-4.0 mm wide, pubescent, frequently caducous; brac-teoles paired, subtending the calyx, deltoid to filiform, 0.5-8.0 mm long, 0.5-1.0 mm wide. Flowers yellow, lilac, or dark purple; calyx campanulate, 5-lobed, upper 2 lobes subconnate; petals 5, free, the standard suborbicular, wings oblique, obovate to oblong, the keel similar to wings, incurved, free, often overlapping dorsally; stamens 10, free, alternately subequal; anthers versatile. Fruit 1-6 seed-ed, oblong or rarely elongate, compressed or turgid around seeds, dehiscent or rarely indehiscent, woody or fleshy, 2-valved, continuous or with septa between seeds; seeds ellipsoid, globose or lenticular, unicolored, red, yellow, or black, or bicolored, red and black or yellowish and red, the hilum terminal, elliptic or linear; chromosomes: n = 8.
Trees to 60 m, or rarely shrubby; trunks sometimes buttressed, 'bark gray, rough. Leaves imparipinnate, 3-19 foliolate, occasionally unifoliolate; leaflets coriaceous or subcoriaceous, 1.5-35.0 cm long, 0.5-20.0 cm wide; rachis to 50
