Dioecious, rhizomatous herb to c. 0.4 m high, with glandular hairs on most parts. Basal leaves: petiole 10–30 cm long, sheathing basally; lamina suborbicular to reniform, 5–20 cm long, strongly cordate at base, crowded-denticulate. Stem leaves 2–7, c. 2–6 cm long, comprising a well-developed sheath and a small lamina reducing to vestigial upwards. Capitula several per stem; peduncle to c. 30 mm long at maturity; calycular bracteoles 2–6, ±linear, 3–8 mm long; involucre 7–12 mm long, c. 3–6 mm diam.; bracts c. 13; stereome flat. Male capitula (all Australian specimens): ligulate florets c. 12, female but sterile; ligule 4–6 mm long, 3–5-veined, white, sometimes tinged purplish; disc florets c. 20, bisexual but functionally male; corolla c. 8 mm long, c. 0.5 mm diam. at base; limb c. ⅖ of total length, white, with narrowly oblong lobes. Achenes obloid, 1.5–2.0 mm long. Pappus 4–8 mm long, white; bristles scabrid-barbellate.