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Leaves often fasciculate, 8–34-foliolate; leaflets 1–7 × 0.5–1.5 mm (rarely 2 mm in Mozambique), linear to oblong, sometimes subfalcate, acute to rounded and mucronulate at the apex, obliquely rounded at the base, glabrescent or glabrous but often conspicuously glandular-ciliate, somewhat thick; main nerve ± marginal; petiole and rhachis together mostly very short, 0.5–3 cm long, bristly-pubescent; petiolules 0.2 mm long; stipules 3–6 × 0.5–1 mm, linear-or ovate-lanceolate, acuminate, not appendaged, scarious, nervose, ± persistent.
Inflorescences axillary, often aggregated towards the apices of shoots to form leafy panicles; peduncle 5–15 mm long; rhachis 1–10 cm long; pedicels 2–5 mm long; bracts 2–3-fid, 2.5–3 × 2 mm, ovate, ciliolate, soon falling; bracteoles 2–3 × 0.5–1 mm, ovate-lanceolate or lanceolate, ciliolate.
Standard orange-yellow with purple-red veins, 7–8 × 4–5 mm, violin-shaped, emarginate; wings pale yellow, longer than the standard; keel petals greenish with reddish-purple nerves, not laciniate.
Fruit of 1–2 articles joined by a very narrow neck, each article ± semicircular, 4.5–9 × 4–6.5 mm, glabrous or the margins puberulous, reticulate at first, later very minutely roughened.
Seeds chestnut-brown, 5 × 3.5 × 1.5 mm, elliptic-reniform, compressed, slightly obtusely beaked beyond the small eccentric round hilum.
Calyx puberulous, 2-lipped; lips 3.5–6 × 3–4 mm, oblong, one 2-lobed, the other 3-lobed and often ciliolate.
Subshrub with slender somewhat woody erect or prostrate stems, 0.3–2.7 m tall, from a woody rootstock.
Stems pubescent with glandular tubercular-based hairs.
