Linaria fastigiata Chav., Monogr. Antirrh.: 125, tab. 7 (1833).
Glaucous perennial, more or less glabrous throughout; fertile stems usually numerous, 40-60 cm, ascending to erect, branched below and usually in inflorescence, densely leafy except for 1-3 cm below inflorescence; sterile stems absent. Leaves of fertile stems 40-120 x 10-50 mm, the length 2-4 (-6) x breadth, elliptic, obovate or oblanceolate, acute, attenuate to cuneate, with 3-7 prominent veins, alternate. Inflorescence many-flowered, dense in flower and fruit. Bracts 2-5 (-10) mm, linear, acute. Pedicels erect, 1-2 mm in flower, 1.5-6 mm in fruit. Calyx- lobes subequal, 3.5-7 x 1-2 mm, oblong to lanceolate, obtuse to subacute, glabrous or rarely sparsely glandular-puberulent towards base, the margins narrowly scarious, white. Corolla 20-25 (-32) mm, pale yellow with purple veins, sometimes tinged with brownish-purple, glabrous externally; tube 6-8 mm broad at mouth; adaxial lip sinus 0.8-2.5 mm; abaxial lip sinus 1-1.5 mm; spur 5-9 (-10) mm, 1-1.5 (-2.5) mm broad at base, straight, much shorter than rest of corolla. Capsule 5-10 x 4.5-9 mm, subglobose, glandular-puberulent. Seeds 3.2-3.7 mm, oblong to oblong-reniform, black, shiny; wing 0.8-1 mm broad; disc oblong-reniform, smooth. Modified from Sutton (1988).
SW Asia. Af? Iq Ir Pk?.
Type: IRAQ?: in Oriente, in Armeniae arvis cultis inter Bagdad et Kermancha Oliv. s.n. (syn.? P).