Adpressed-pubescent, branched from base; stems prostrate-ascending, 5-30 cm. Stipules semi-sagittate denticulate. Leaflets oblong to cordate-cuneate, dentate, incised or pinnatifid, 5-12 x 3-8 mm. Peduncle 0 mm. Flowers 1-3 in the leaf-axils. Calyx campanulate, 5-6 mm; teeth lanceolate-acuminate, about as long as tube. Corolla yellow, 6-8 mm. Legumes erect-spreading, curved, somewhat compressed, 4-10 x0,1-0,2 cm, lengthwise reticulate-netted, with linear to oblong areoles, many-seeded. Seeds oblong-cylindrical, 2-2,5 x 1 mm, tubercled.
1. Legumes single or rarely two together, reticulate-netted with narrow, linear areoles subsp. monantha
1. Legumes two, rarely three together, reticulate-netted with broader, oblong areoles subsp. noeana