Linaria nurensis Boiss. & Hausskn. in Boiss., Fl. Or. 4: 374 (1879).
Glabrous perennial, the leaves somewhat glaucous; fertile stems 1-several, 35-100 cm, erect, simple or occasionally branched in inflorescence, usually densely leafy throughout: sterile stems absent. Leaves 30-80 x 8-30 mm, the length 1.7-5.5 x breadth, lanceolate-ovate to oblong-elliptic, subacute or acute, semi-amplexicaul, with 3-5 (-7) prominent veins, alternate. Inflorescence many-flowered, dense in flower and fruit. Bracts 3-12 mm, lanceolate, acute. Pedicels erect, 1.5-6 mm in flower, 4-12 mm in fruit. Calyx-lobes subequal, 5.5-12 x 2.5-4 mm, lanceolate to ovate, acute, the margins green or very narrowly white-scarious towards base. Corolla 35-40 mm, yellow; tube 10-16 mm broad at mouth; adaxial lip sinus 2.8-4 mm; abaxial lip sinus 2-4 mm; spur 15-18 mm, 3-5 mm broad at base, curved, shorter than rest of corolla. Capsule 8-11 x 9-11 mm, globose, glabrous. Seeds 3.2-4 mm, oblong-reniform, dark grey; wing 0.7-1.2 mm broad; disc elongate-reniform, smooth. Modified from Sutton (1988).
W Iran (Zagros). Ir.
Type: IRAN: in regione alpina superiore montium Nur et Sawers Persiae australis, 9000-13000 ft, vi Haussknecht s.n. (syn.? G-BOIS?); Nur, M. Sawers, 9-12000 ft, vii 1868 Haussknecht s.n. herb. Haussknecht (syn.? JE!).