Linaria arvensis
(L.) Desf. Corn Toad-flaxErect 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.
Wim, VVP, EGU, HSF, VAlp. 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.
Barker, W.R. (1999). Scrophulariaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 483–528. Inkata Press, Melbourne.