Coarse branching usually erect herb up to 2 m. tall, everywhere strigose, some or many of the biramous hairs being brown or black, except on the leaflets; glandular multicellular hairs always present on the pods and usually on the stems, inflorescence and leaf-rhachis.. Stipules subulate, spreading; leaflets 3–15, more or less elliptic, about twice as long as wide, or narrower, up to 25 mm. long and 8 mm. wide.. Racemes many-flowered, dense, pedunculate, often ± secund.. Calyx deeply divided; lobes narrowly triangular, with subulate-setaceous tips.. Corolla dark strigose outside.. Stamens 4–6 mm. long.. Ovary much shorter than the style, which is bent through 90° beyond the middle.. Pod straight, with both dark or pale biramous hairs and more or less glandular multicellular hairs, 3–8-seeded; endocarp hardly spotted.. Seeds smooth, subspherical.
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