Retama monosperma (L.) Boiss.

Perennial, Shrubs, Woody throughout, Stems woody below, or from woody crown or caudex, Nodules present, Stems erect or ascending, Stems 1-2 m tall, Stems greater than 2 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves absent at flowering time, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Leaves simple, or appearing so, Leaf or leaflet margins entire, Leaflets alternate or subopposite, Leaflets 1, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 2-lipped or 2-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals white, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit rugose wrinkled or reticulate, Fruit exserted from calyx, Fruit beaked, Fruit glabrous or glabrate, Fruit 1-seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.