Sp. Pl. 179 (1753) APNI
Stout herb to 1.5 m high; branches glabrous or sparsely pubescent with simple hairs. Leaves rhombic to angular-ovate, mostly 8–35 cm long, 5–20 cm wide, with few deep lobes that are coarsely toothed or sinuate, apex acute to acuminate, base cuneate, more or less glabrous; petiole to c. 10 cm long. Flowers erect on short indistinct pedicels; calyx 5-lobed, 2.5–4(–5.5) cm long, lobes 4–8 mm long; corolla 6–8(–10) cm long, white or pale lavender, limb 5-lobed, the lobes ending in a slender point c. 10 mm long; stamens not exserted, anthers 3–6 mm long; style 4–6 cm long; stigma below, at same level as or higher than anthers. Capsule ovoid, to c. 4.5 cm long, erect, spiny, opening by 4 valves; spines 100–200, slender, conical, sharp, variable in length, the longest less than 2 cm long; persistent calyx-base to 10 mm long; seeds 2.5–4.5 mm long, black or grey. Flowers mainly summer.
*CVU, *EGL, *EGU, *GipP, *HSF, *MuF, *MuM, *MSB, *NIS, *OtP, *VRiv, *VVP, *WaP, *Wim. Also naturalised WA, SA, Qld, NSW, ACT, Tas. Native to Central America. Widespread in disturbed sites often in agricultural districts and on sandy river banks.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Murray Scroll Belt||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|Northern Inland Slopes||present||introduced|
|East Gippsland Lowlands||present||naturalised|
|East Gippsland Uplands||present||naturalised|
|New South Wales|
|Australian Capital Territory|