Perennial herb, 10-30 cm tall, flowering in early summer. Stems erect or decumbent, branching near the base, tawny or ferruginous. Leaves mostly 1-foliolate on erect plants and 3-foliolate on decumbent plants, basal leaves always 1-foliolate. Leaflets 8.5-11.0 cm long, 4.5-7.0 cm wide, laterals smaller, base cordate, apex acute, terminal and 1-foliolate leaves symmetrical, narrowly to broadly ovate, laterals smaller and oblique, strigose or sericeous, lower surface dull or shiny, covered with either light yellow or red glands. Stipules 10-15 mm long, 4-5 mm wide, ovate-lanceolate, oblique, free, clasping the stem, pubescent. Petiole 5-7 mm long. Racemes axillary, (10)20-40-flowered, exceeding leaves, peduncle 5-12 cm long. Flowers yellow, rarely pink and yellow, bracts more than half the length of the flower, caducous. Calyx 6-7 mm long, lobes equal, teeth triangular or lanceolate, longer than the tube, ferruginous and sparsely pubescent. Standard (6)8-12 mm long, 5-8 mm wide, oblong to obovate; appendages present, situated low down, free or merging into auricles, rarely absent. Wings 7-10 mm long, 2-3 mm wide, cultrate, auriculate, sculpturing absent but slightly indented near auricle, longer than the keel. Keel 6-8 mm long, 2-3 mm wide, densely glandular, hairy along base, slightly pocketed. Staminal sheath 6-7 mm long, free stamen geniculate; anthers uniform, alternately long basifixed and short medifixed. Gynoecium 6 mm long; ovary 2-3 mm long, with 0.75 mm long gynophore, densely sericeous, curvature of style 2-3 mm high; stigma capitate. Nectary present, high as gynophore, margin undulating. Fruit 15-17 mm long, 10-13 mm wide, with a downward pointing 2 mm long beak; obliquely oblong, covered in 1-25 mm long patent hairs. Seeds 6-7 mm long, 3 mm wide, polymorphic, either black or light grey and speckled (only one population inspected however). Flowering begins in October with a peak in November-December and then tails off during March.
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Perennial herb, up to 300 mm high. Stems erect or decumbent. Leaves 1(3)-foliolate, if 3-foliolate then basal leaves always 1-foliolate; leaflets ovate to obovate, up to 120 x 90 mm; stipules free. Flowers: corolla yellow; Nov.-Feb. Pods 10-15 mm long.