Linaria cavanillesii Chav., Monogr. Antirrh.: 117 (1833).
Perennial, densely glandular-pubescent throughout; fertile stems 2-15, 15-40 cm, decumbent or ascending, mostly simple, often robust; sterile stems apparently absent. Leaves of fertíle stems 8-27 x 4-17 mm, ovate to suborbicular, mostly acute to subacute, cuneate or truncate, flat, mostly 3-verticillate, sometimes alternate above. Inflorescence with 2-10 flowers, dense in flower and fruil. Bracts 4.5-6.5 mm, oblanceolate, obtuse. Pedicels 1-4 x 0.4-0.5 mm in flower and fruit, erect. Calyx-lobes unequal, linear-spathulate, obtuse; adaxial lobe (5-) 8-9 x 0.9-1.5 mm; lateral lobes (4-) 5.5-7 x 0.9-1.9 mm. Corolla 20-32 mm, yellow; tube 7-8 mm broad at mouth, adaxial lip sinus 1.5-2.5 mm; abaxial lip sinus 2-3 mm; spur 9-13 mm, 1.5-2.5 mm broad at base, curved or straight, shorter than rest of corolla. Capsule 4-5.5 x 4-5.2 mm, globose, glabrous. Seeds 0.9-1.3 mm, trigonous or tetrahedral, occasionally somewhat laterally compressed, the margins acute with prominent longitudinal ridge, the intervening faces tuberculate with conical, subacute tubercles or cristate with short ridges, blackish-brown; hilum subbasal in narrow depression; periclinal wall of testa-cells tabular or convex, the margins not raised, rugulate or reticulate, that of cells from interstices and base of ridges with median papilla. Modified from Sutton (1988).
SE Spain. Hs.
Type: SPAIN: “Linaria hispanica trifolia latifolia villosa” Tournefort 942 (syn.? (cf. Viano, 1978b: 251) P-Tourn.); in umbrosis montium de la Cova Alta, prope Albaydam et Palomera, in Ayorae ditione Cavanilles s.n. (syn.? MA).