Linaria paradoxa Murb., Lunds Univ. Årrskr. ser. 1 34(2/7): 19, tab. 8(10-13) (1898).
Glabrous, glaucous, rather fleshy annual; fertile stems 1-3, 7-21 cm, ascending to erect, stout, simple or sparingly branched; sterile stems absent. Leaves 12-38 x 3-12 mm, lanceolate to oblong-elliptic, obtuse to subacute, flat, in whorls of 3 below, alternate above. Inflorescence with 1-13 flowers, somewhat dense in flower, lax in fruit. Pedicels more or less erect, 1-2.5 mm in flower, 3-5 mm in fruit. Bracts 7-26 x 1.5-8 mm, linear-lanceolate to oblong-lanceolate, subacute, resembling the leaves below. Calyx 7-8 mm in flower, 9-12 mm in fruit; 3 adaxial lobes united into spathe-1ike structure, 2-3 mm broad in flower, 5-9 mm broad in fruit, oblongelliptic, the apex 3-dentate with teeth 1.2-1.5 mm long; abaxial 2 lobes 1.2-1.5 mm broad in flower, 2-4 mm broad in fruit, ovate to oblong-elliptic, subacute. Corolla 14-16 mm; tube somewhat broad; adaxial lip sinus 2-2.6 mm; abaxial lip sinus 0.5-1 mm; spur 7-10 mm, slender, straight, equalling or exceeding rest of corolla. Capsule 7-10 mm, oblong-globose, glabrous. Seeds 2.5-2.9 mm, orbicular or suborbicular, blackish-grey; hilum narrow; wing 0.70.9 mm broad, thin or scarcely inflated; disc somewhat densely tuberculate, rarely with minute papillae, the tubercles narrowly conical, acute or subacute, whitish-grey; periclinal wall of testacells tabular or rarely papillate, rugulate or reticulate, the anticlinal walls angular with prominent irregular ridge over junction. Modified from Sutton (1988).
C Tunisia. Tn.
Type: TUNISIA: Kairouan, in campis argillosis versus Dar Farik, 80 m, 1 v 1903 Murbeck 42 (holo. LD, iso. K!).