Indigofera oblongifolia Forssk.

Erect shrub, 0.5–2 m high; young stems ridged, grey to green, strigose with dense to very dense, appressed, equally biramous hairs. Leaves variable, with 1–3 (–4) leaflets; stipules narrowly triangular, 2–6 mm long, pubescent; petiole 2–6 (–10) mm long; rachis furrowed; multicellular hairs at base of leaflets sparse, inconspicuous, pale orange, pointed-linear; stipellae absent or inconspicuous; leaflets alternate, elliptic to obovate, (8–) 10–18 mm long, 3.5–6 mm wide (terminal or unifoliolate leaflets elliptic or obovate, 15–30 mm long, 5–9 mm wide), grey to green, with sparse to moderately dense, appressed hairs, discolorous, lower surface generally paler than above, apex acute or obtuse and mucronate. Inflorescences (15–) 30–105 mm long, longer than leaves; peduncle 3–7 mm long; bracts ovate, 1 mm long; pedicel mostly 0.7–0.9 mm long; flower colour variable, red to pink and yellow-green. Calyx 1.5–2.5 mm long; lobes equal or unequal, less than to longer than the length of the tube and covered with moderately dense to dense, grey, appressed hairs. Standard with red striations, ovate to obovate, 5–6 mm long, 4–4.5 mm wide. Wings spathulate to narrowly obovate; 4.5–5 mm long, 1.5–2 mm wide. Keel greenish but flushed pink in the upper part, 4.5–6.5 mm long, 1.5–2 mm deep; lateral pockets 1–1.3 mm long; apex acute to rounded. Staminal tube 4–5 mm long, colourless. Ovary moderately to densely hairy. Pods spreading to deflexed, terete and torulose, crescent shaped, (6–) 10–19 mm long, 2 mm wide, brown, strigose with moderately dense, appressed hairs; apex acute or shortly beaked; endocarp not spotted; seeds (1–) 4–6 per fruit.

Found especially near the coast, growing on edges of brackish places, streamsides, grassland, bushland, stony ground; sandy thickets, areas disturbed by human activity; at elevations up to 1,200 metres.

Can be grown by seedlings. Seeds needs soaking.