Linaria arvensis (L.) Desf.

Corn Toad-flax

Fl. Atlant. 2: 45 (1798) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Erect glaucous annual 10–40 cm high, simple or much-branched, glabrous except for glandular-hairy inflorescence. Leaves whorled below, alternate up stem, linear to narrow-elliptic, 0.4–3.5 cm long, 1–2 mm wide. Inflorescence many-flowered, at first dense, elongating in fruit; bracts 1–3 mm long; flowers c. sessile, pedicels 1–2 mm in fruit. Sepals 2 mm long, c. 3 mm in fruit; corolla 3–4 mm long, pale blue to purple, palate at least sometimes white, spur at right-angles to tube, 1.5–3 mm long, curved, upper lip pointed outwards, lower lip longest, recurved. Capsule c. globose, 3–4 mm long, glabrous, breaking in apical half into 4–6 valves; seeds winged. Flowers mostly spring.

*EGU, *HSF, *VVP, *Wim. Also NSW. Grows chiefly in disturbed sites along roadsides and railway lines or in pasture, but occasionally in relatively intact, usually dryish, forest and woodland communities.

Source: Barker, W.R. (1999). Scrophulariaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-14
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
genus Linaria
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Linaria arvensis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Linaria arvensis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present introduced
Victorian Volcanic Plain present naturalised
East Gippsland Uplands present naturalised
Highlands-Southern Fall present introduced

State distribution

Distribution map
New South Wales
Australian Capital Territory