Linaria propinqua Boiss. & Reuter, Pugillus: 88 (1852).
Glabrous, somewhat glaucous perennial, sometimes flowering in the first year; fertile stems numerous, 12-30 cm, ascending to erect, simple or branched above, the branches often 396 whorled; sterile stems usually absent. Leaves 7-30 x 0.4-2.5 mm, linear to linear-oblanceolate, acute or subacute, flat, in whorls of 3-5 at least to middle of stems, alternate above. Inflorescence with 1-9 flowers, dense in flower, somewhat lax in fruit, occasionally the lowermost flowers in a whorl of 3-4. Pedicels 1-2.5 mm in flower, 3-7 mm in fruit, erect or erecto-patent. Bracts 4-7 (-12) mm, linear, acute. Calyx-lobes unequal, linear to linear-oblanceolate, acute; adaxial lobe 4-8 x 0.4-0.6 mm; abaxial lobes 3-5.5 x 0.4-0.8 mm. Corolla 14-20 mm, yellow; tube somewhat slender; adaxial lip sinus 0.8-1.2 mm; abaxial lip sinus 0.3-0.7 mm; spur 6-9 mm, slender, straight or somewhat curved, shorter than or equalling rest of corolla. Capsule 4-5.5 mm, globose, glabrous. Seeds (1.9-) 2.2-2.8 mm, reniform-orbicular or suborbicular, more or less flat, dull black; hilum somewhat narrow; wing (0.4-) 0.6-0.8 mm broad, somewhat thick, papillate towards disc; disc reniform, papillate, usually tuberculate, the tubercles sparse and rounded, rarely more dense, acute, the papillate cells usually towards edge of disc; periclinal wall of testa-cells tabular or papillate, densely verruculate, the anticlinal wall of testa-cells angular with low ridge over junction. Modified from Sutton (1988).
N Spain. Hs.
Type: SPAIN: Navarra; Montagnes du côte du Pas de Roland, Pyrénées Lesauvage s.n. ex herb. Fauché (lecto. (Valdés, 1970a: l71-172) G-BOIS).