Erect annual herb up to 35 cm. tall, everywhere covered with a sparse or dense indumentum of white, more or less appressed biramous hairs; rather short erect multicellular gland-tipped hairs nearly always also occur, which are up to 0.6 or rarely 1 mm. long on the stems and leaf-rhachis, up to 0.3 or rarely 1 mm. on the pod; such hairs are never found on the leaflets.. Leaves 7–11 (rarely –15)-foliolate; stipules linear-filiform, erect or spreading, up to 4 mm. long; rhachis prolonged beyond the lateral leaflets, up to 4 cm. long, including a petiole longer than the basal leaflets; leaflets up to 15 mm. long and 3 mm. wide, 2.6 to 6 times as long as wide.. Racemes 6–20-flowered, about as long as the subtending leaf, the peduncle, at least in the fruiting state, shorter than the rest of the axis.. Calyx deeply divided, 0.6–1 times as long as the 2.3–3 mm. long filaments.. Style 0.7–1 mm. long, bent up through 50–90° near the base.. Pod straight, spreading, 10–18 mm. long, ± 1.6 mm. wide, 9–13-seeded; endocarp spotted.
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