Linaria pedunculata (L.) Chaz., Suppl. Dict. Jard. 2: 41 (1790).
Glaucous annual or perhaps sometimes perennating, glabrous except for sparse glandular hairs in inflorescence; fertile stems usually numerous, 7-20 (-30) cm, decumbent to ascending, simple or branched above; sterile stems 1-6, procumbent to ascending. Leaves of fertile stems 4-15 (-20) x 1.5-6.5 mm, obovate to linear-elliptic, subacute to obtuse, terete, fleshy, mostly 3or 4-verticillate below, alternate above; leaves of sterile stems similar but 3- or 4-verticillate. Inflorescence with 2-11 flowers, lax in flower and fruit. Bracts resembling foliage leaves. Pedicels 10-25 (-40) mm in flower and fruit, erect or erecto-patent, free. Calyx-lobes more or less equal, scarcely accrescent, (2.5-) 3.5-5.5 x 0.8-1.8 mm, oblong-lanceolate, subacute to obtuse, the margin somewhat scarious. Corolla 11-17 mm, whitish-yellow, usually with purple veins, often tinged with purple, the palate yellow, the spur usually purple; adaxial lip sinus 1-1.5 mm; abaxial lip sinus 0.7-1 mm; spur 5.5-9 mm, curved, equalling or exceeding rest of corolla. Style deeply bifid. Capsule 3.5-5 x 3-4.5 mm, oblong-ovoid, glabrous; loculi more or less equal, each loculus dehiscing by 3 (-5) teeth. Seeds 0.5-0.7 mm, reniform, more or less smooth, black; ridges absent; periclinal wall of testa-cells verruculate or rugulate, the margins not raised, marginal and median papillae absent. Modified from Sutton (1988).
2n = 12 (Viano, 1975: 508).
W Mediterranean region, SW Portugal. Ag Hs Lu Ma.
Type: SPAIN: "pedunculata 17, in Hispania" Alstroemer 125 (syn.? (cf. Viano 1978b: 125) LINN-767.55!).