Linaria elegans Cav., Descr. Pl. ed. 1 2: 338 (1802).
Annual, glabrous except for glandular-pubescent inflorescence; fertile stems 1-3 (-8), 10-45 cm, erect, simple or branched; sterile stems (0-) 1-10 (-25), procumbent. Leaves of fertile stems 10-40 x 0.4-4 mm, filiform or linear, obtuse, flat, alternate above, the lowermost sometimes 4- or 5-verticillate; leaves of sterile stems linear to elliptic or obovate, obtuse, all 4- or 5-verticillate. Inflorescence with (5-) 10-45 flowers, usually lax in flower, very lax in fruit. Bracts 1-3 mm, linear, obtuse. Pedicels (2.5-) 4-10 mm in flower and fruit, mostly erect, free. Calyx-lobes subequal, 1.8-3 x 0.4-0.5 (-0.8) mm, linear-lanceolate, subacute to acuminate, the margin narrowly scarious. Corolla 18-24 mm, lilac to violet; adaxial lip sinus 3-4 mm; abaxial lip sinus 2.5-3.2 mm; spur 10-15 mm, curved, exceeding rest of corolla. Capsule 2.5-4 x 2.2-4 mm, subglobose, glabrous; loculi more or less equal, each loculus dehiscing by 3 teeth. Seeds 0.5-0.7 mm, irregularly trigonous, ruminate-foveate, blackish-grey; transverse ridges low, sinuate, rounded, anastomosed; periclinal wall of testa-cells verruculate, the margins prominently raised, not papillate or forming indistinct angular marginal papilla towards ridge-apex. Modified from Sutton (1988).
2n = 12 (Heitz, 1926).
W Iberian peninsula. Hs Lu.
Type: [SPAIN?]: Herb. Cavanilles s.n. (MA).