Desmanthus pernambucanus (L.) Thell.

Acuan bahamense Britton & Rose, sp. nov
Erect, usually branched, glabrous, or puberulent above, 3-5 dm. high. Stipules setiform, 3-5 mm. long; petiole and rachis slender, puberulent; petiole about 10 mm. long or shorter; pinnae 1-3 pairs, an orbicular or suborbicular gland between the lower pair; leaflets 7-10 pairs, linear-oblong, or the upper oblong-obovate, glabrous, or when young ciliolate, 3-6 mm. long, the apex obtuse, acute or mucronulate, the slender midvein slightly excentric; pedimcles very slender, 2-3 cm. long; heads few-flowered; stamens 10; legumes narrowly linear, straight, short-tipped, 3-6 cm. long, about 2 mm. wide.
Bahama Islands. Type from Acklin's Island, December 21, 1905 to January 6, 1906, Brace 4325.

Perennial, Shrubs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems 1-2 m tall, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Extrafloral nectary glands on petiole, Stipules conspicuous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Bracts very small, absent or caducous, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals white, Petals greenish yellow, Imperfect flowers present, dioecious or polygamodioecious, Fertile stamens 5, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit exserted from calyx, Fruit glabrous or glabrate, Fruit 3-10 seeded, Fruit 11-many seeded, Seed with elliptical line or depression, pleurogram, Seed surface smooth, Seeds olive, brown, or black.

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