Archidendron F.Muell.

Unarmed shrubs or trees. Stipules present or not. Leaves bipinnate, rachis and pinnae with extrafloral nectaries; leaflets opposite, rarely alternate (3 species) or unifoliolate (2 species), petiolulate(-sessile). Inflorescences simple or compound, consisting of pedunculate glomerules, umbels, corymbs, or racemes, or, when the inflorescence is compound, maybe arranged in cauliflorous, ramiflorous, axillary, or terminal panicles. Flowers bisexual, sometimes male or female, or bisexual and male, (tri-or) pentamerous, uniform. Calyx connate, valvate. Corolla connate, valvate, tube united with the staminal tube in the lower part. Stamens numerous, at base united into a tube. Ovary(ies) 1-15 per flower, sessile or stipitate. Pods chartaceous, coriaceous, fleshy or woody, straight, curved, or spirally twisted, flat or terete, sometimes internally segmented, dehiscing along either the dorsal or the ventral suture, sometimes along both, often reddish outside and orange-reddish within; endocarp not forming envelopes around each seed. Seeds transversely held, ± funiculate, ± ellipsoid, ± flattened, with a black or bluish-black testa, without pleurogram, wingless, aril absent; endosperm absent; cotyledons large; radicle curved.