Compilation
Argyrolobium angustifolium

glabrescent or minutely silky; stem erect, slender, slightly branched, 3-cornered near the top; stipules lanceolate-setaceous, much shorter than the petiole (or rarely longer); leaflets linear-lanceolate, the lowest ones sometimes obovate-cuneate; racemes pedunculate, laxly few-flowered; the lips of the silky calyx about equal, the lower 3-toothed, the teeth acuminate; legume minutely appressedly puberulous, at length glabrescent. Root tuberous. Stems 2–3 feet high, very slender, straggling, often simple. Petioles 1–2, or sometimes 3 inches long; those of the upper leaves much shorter, leaflets 1–2 inches long, 1–2 lines wide. The pubescence is always scanty and very closely appressed, the hairs scarcely visible but with a pocket lens. Flowers pubescent, dark yellow, turning brown in drying. Pods 2 inches long, straight or slightly curved, 1 line wide. Allied to A. filiforme, No. 19.