Prodr. Stirp. Gott. 52 (1770) APNI
Perennial with stems erect or ascending, to c. 1 m high. Basal and lower stem leaves with petioles about as long as lamina; lamina oblong to narrowly lanceolate, 4–12 cm long, 1–4 cm wide, broadly cuneate, truncate or shallowly cordate at base; margins plane or finely undulate; upper leaves reduced. Inflorescence rather widely branched, to c. 50 cm long, 40 cm wide; flower 'whorls' separated by c. 1–3 cm, all but the uppermost subtended by a small leaf. Fruiting valves ovate, 2.5–3.2 mm long, 1–1.7 mm wide, entire, each with a smooth, allantoid to somewhat reniform callosity half to almost as long as valve; fruiting pedicel about as long as valves, jointed from midway to near the base. Nut 1.3–1.7 mm long. Flowers Sep.–Jan.
*Brid, *CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *HNF, *HSF, *MonT, *MuF, *MuM, *NIS, *OtP, *OtR, *SnM, *Strz, *VAlp, *VRiv, *VVP, *WaP, *Wim. Naturalized in all States except NT, most temperate countries. Native to central and southern Europe, south-western Asia. Except for the far northwest and higher mountains, widespread and common in Victoria, usually near swamps or streams, or in seasonally wet ditches.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|Northern Inland Slopes||present||naturalised|
|East Gippsland Lowlands||present||naturalised|
|East Gippsland Uplands||present||naturalised|
|New South Wales|
|Australian Capital Territory|