Bot. Beechey Voy. 368 (1839) APNI
Erect, glandular-hairy, odorous annual to c. 60 cm tall. Leaves sessile, ovate to oblong-lanceolate, pinnatisect to bipinnatisect, 15–35 mm long, 10–25 mm wide, lobes narrow, rigid and spine-tipped. Inflorescences dense terminal heads 2–3 cm across, surrounded by spine-tipped leafy bracts. Sepals 5, narrow-lanceolate, 8–12 mm long, teeth about as long as tube, spinose; corolla 5-lobed, 9–12 mm long, broadly funnel-shaped, pale lilac to blue, lobes short, spreading; stamens inserted at c. middle of corolla-tube, anthers included; stigma 3-lobed. Capsule ovoid, 3–4 mm long, 3-celled, remaining enclosed by persistent calyx; seeds numerous. Flowers summer.
*CVU, *GipP, *Gold, *HNF, *NIS, *OtR, *SnM, *VAlp, *VRiv, *VVP. Also naturalised WA, SA, NSW, ACT, Tas. Native to North America. An occasional weed of pasture and disturbed sites, mostly in the north-east (c. Alexandra to Corryong), but also in Kyneton, Trentham, Beaufort, Ararat and Portland areas.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|Northern Inland Slopes||present||naturalised|
|New South Wales|
|Australian Capital Territory|