Shrubs or small trees, c. 0.3–4 m high, sometimes lignotuberous; young branchlets appressed-sericeous, usually glabrescent to ± persistently tomentose. Leaves terete, usually widely spreading, 1.5–8 cm long, 0.7–1.6 mm wide, grooved below, glabrous; apex straight. Inflorescence 3–6-flowered; rachis 0.7–2.8 mm long, densely tomentose; pedicel 1.2–4.8 mm long, sericeous to tomentose; perianth 4.2–7.2 mm long, white or pink, glabrous; pistil 9.0–12.2 mm long; pollen presenter an oblique disc. Fruit obliquely to broadly ovoid, 1.8–3.5 cm long, 1–3 cm wide, finely or coarsely tuberculate; beak sparsely pustulate or smooth; horns 1–5 mm long, often eroded; seed not occupying whole valve face, 17–23 mm long, 6.5–10.5 mm wide; seed-body 6–10 mm long, rugose; wing down one side only, dark blackish-brown.

LoM, Wim, VVP, VRiv, MuF, GipP, OtP, WaP, Gold, CVU, GGr, DunT, EGL, EGU, WPro, HSF, HNF, OtR, Strz, VAlp.

3 subspecies, separated predominantly on fruit size and branchlet and pedicel indumentum; 2 in Victoria.

Centipeda crateriformis