Mimosa busseana Harms

Scandent shrub 1.5–2 m. high.. Stems shortly pubescent and densely armed with downwardly hooked prickles up to 2.5 mm. long.. Leaves with petiole (1.9–)3.3–4.5 cm. long and prickly; rhachis about 3.5–5.5 cm. long, prickly; pinnae (2–)3–7 pairs; leaflets 3–6 pairs, ± obovate-elliptic, (5–)8–18 mm. long, (2–)5–10(–12) mm. wide, ± appressed-pubescent or puberulous on both surfaces, not setulose, venation pinnate, ± visible beneath.. Flowers pink or mauve, in subglobose heads about 0.7–1.5 cm. in diameter, on pubescent unarmed or sparingly prickly peduncles 1–3 cm. long, 1–6 together from axils, usually aggregated into a panicle.. Calyx 0.5–0.8 mm. long.. Corolla (2–)2.5–3 mm. long.. Stamens 7–8.. Pods ± curved, with scattered recurved prickles on margins only (sometimes prickles very sparse), 5–10 cm. long, 1.2–2.5 cm. wide.