Suffrutex up to 1.5 m tall, sparsely branched; branches annual, erect, villous; rootstock perennial, woody. Leaves exstipulate, 7-25 mm long, becoming smaller towards the apex; leaflets 3, obovate to subfalcate, villous, bases cuneate, apices rounded, apiculate. Inflorescence racemose usually comprising an aggregation of 2-flowered axillary branches, up to 700 mm long; bracts elliptic, 1-4 mm long, villous. Calyx turbinate, 5-2 mm long, densely villous externally, tube 3-5 mm long; lobes narrowly deltoid, 1-2.5 mm long, lower lobes divergent. Corolla porcelain-white with maroon veins; vexillum lamina suborbicular, 5-8 x 2-12 mm, sericeous outside, unguiculate; alae oblong, 3.5-6 x 1.5-3 mm, glabrous, with up to 20 rows of lamellate sculpturing, apex rounded, bases unguiculate; carina deeply cymbidiform, 3-5 x 1.5-3 mm glabrous, with lateral pockets. Ovary 2.5 mm long, densely sericeous; ovules many; style filiform, arcuate or weakly genuflexed, 5-7 mm long; stigma terminal, truncate. Fruit ovoid 5-8 mm long, slightly compressed, villous, apex aquiline; 1-3-seeded.
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Suffrutex, up to 1.5 m high; rootstock woody, branches annual, erect, villous, sericeous to tawny. Leaves trifoliolate. Leaflets obovate to subfalcate, apex rounded, apiculate. Stipules 0. Inflorescences racemes, comprising an aggregation of 2-flowered axillary branchlets; bracts elliptic. Flowers porcelain-white with maroon veins. Calyx turbinate, densely villous; lobes narrowly triangular, lower lobes divergent. Flowering time Nov.-June. Pod ovoid, villous, 1-3-seeded.
L. viminea may be confused with L. amajubica, but the vestiture is more dense and spreading, the flowers are white with purplish veins (blue in L. amajubica), the flowers are usually borne amongst the leaves.