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Genista clavata Poir.

Fre.: Genêt.

Shrub up to 0.8 m in height, unarmed, hermaphrodite, with highly branched stems from the base, with opposite branches, and persistent leaves. Stems and old branches with yellowish-brown bark with T-shaped ribs, turning glabrescent or glabrous. Young branchlets striated-ribbed longitudinally, green, sericeous. Leaves alternate, trifoliolate, without stipules or very small stipules, stipular organ with 3 ribs, leaflets 7-20 × 1.5-3 mm, lanceolate or linear-lanceolate, ± folded longitudinally, briefly petiolulate, acute, green, sericeous or glabrescent on the upper side and ± sericeous on the underside. Inflorescence capituliform, terminal, with 4-16 flowers, briefly pedicellate, with pedicel up to 2 mm, villous. Calyx 5-7 mm, densely villous, deeply split into 2 lips, the upper lip bipartite into 2 ovate lobes, and the lower lip slightly longer, with 3 small triangular teeth. Corolla 12-18 mm, papilionoid, yellow, with an ovate standard, with an emarginate apex, sericeous along the dorsal midrib, larger than the wings and keel, keel subequal to the wings. Androecium monadelphous, with 10 stamens. Ovary densely villous, and a very small stigma. Pod 15-20 × 6-9 mm, linear-oblong, compressed, densely whitish-villous, with 1-3 seeds. Seeds c. 2 mm, subglobose, smooth, brown, shiny, without an aril.