Indigofera linnaei Ali

Prostrate to spreading, perennial herb, 0.05–0.3 (–0.45) m high, to 0.7 m wide; young stems slightly ridged, green to white, strigose to pubescent with dense, appressed to spreading, equally biramous hairs. Leaves pinnate, with (5–) 7–9 (–13) leaflets; stipules triangular with a linear, drawn-out tip and thin scarious margins, (2–) 3–7 mm long, pubescent; petiole 1–4 mm long; rachis furrowed or flattened; multicellular hairs absent; stipellae absent or quite inconspicuous; leaflets mostly alternate, obovate, (4.5–) 5–15 (–23) mm long, (1.0–) 1.5–7 (–10) mm wide, upper and lower surfaces green to grey, with sparse to dense, appressed to spreading hairs, apex obtuse and mucronate, emarginate or rarely acute. Inflorescences 5–20 (–35) mm long, generally shorter than the leaves; peduncle 0.5–2 (–13) mm long; bracts ovate to triangular, 1.5–3.5 mm long, with scarious margins; pedicel 0.5 mm long; flowers red. Calyx 2.5–5 mm long; lobes unequal or subequal, longer than the length of the tube, covered with moderately dense to dense, grey or pale brown, appressed to shortly spreading, very unequal biramous hairs. Standard obovate, 3–5 mm long, 2.3–3.3 mm wide. Wings oblong to spathulate, 3.5–5 mm long, 0.7–1.2 mm wide. Keel 3.5–4.5 mm long, 0.7–1.2 mm deep; lateral pockets 0.3–0.6 mm long; apex beaked to acute; glabrous. Staminal tube (2.0–) 2.5–3.2 mm long, colourless. Ovary densely hairy. Pods ascending, shortly cylindrical, (2.5–) 4–8(–10.5) mm long, 2–2.5 mm wide, white to grey or yellowish and brown, strigose to pubescent; hairs moderately dense to dense, appressed to spreading; apex shortly pointed; endocarp not spotted; seeds (1 or) 2 per fruit.

Recorded as growing in a wide range of substrates, particularly sand in open areas, grassland or woodland, and particularly on disturbed sites like roadsides.

Caution:

Can be grown by seedlings. Seeds needs soaking.