Linaria warionis Pomel, Nouv. Mat. Fl. Atl. 1: 96 (1874).
Glabrous, somewhat glaucous annual; fertile stems l-several, 3-15 cm, erect or ascending, branched at base, simple or occasionally branched above; sterile stems few. Leaves of fertile 5-17 x 1.5-7 mm, oblong to oblanceolate, acute or obtuse, attenuate or cuneate, 3- or 4- verticillate below, alternate above; leaves of sterile stems broadly elliptic, subacute to obtuse, 3- to 5-verticillate. Inftorescence with 5-9 flowers, dense in flower, becoming lax in fruit. Bracts 4-9 mm, linear or linear-lanceolate, acute, the lowermost leaf-like. Pedicels 1-4 mm in flower and fruit, more or less erect. Calyx-lobes more or less equal, 4-5 (-9) x 0.7-1.4 (-3.5) mm, oblanceolate to linear-lanceolate, acute. Corolla 24-31 mm, deep yellow; adaxial lip sinus (2.5-) 3.5-4.5 mm; abaxial lip sinus 1-1.5 mm; spur 14-16 mm, slender, somewhat curved forwards, equalling or exceeding rest of corolla. Capsule 4-5 mm, subglobose, glabrous. Seeds 1.2-1.5 mm, irregularly trigonous or tetrahedral, the margins acute or obtuse with longitudinal ridges more or less well-developed, the intervening faces reticulate- or ruminate-alveolate, black or blackish-grey; hilum subbasal, somewhat broad; periclinal wall of testa-cells tabular to convex, reticulate or rugulate, that of cells of interstices and sides of ridges usually with marginal papilla. Modified from Sutton (1988).
NW Africa (NW Sahara). Ag Ma.
Type: ALGERIA: au sud de la province d Oran, lieux sablonneux à Aîn Korima, 4 iv 1867 Warion s.n. ex herb. Cosson (syn.? (cf. Viano, 1978b: 237-238) P).