Linaria veratrifolia Patzak in Køie & Rech. fil., Kong. Danske Vid. Selsk. Skr. 10(3): 100, tab. 37 (1958).
Glabrous perennial with stout, woody rootstock; fertile stems 35-50 cm, arcuate-ascending to suberect, stout, simple or branched above, leafy throughout; sterile stems not seen. Leaves of fertile stems 30-65 x 14-35 mm, the length 1.5-3.5 x breadth, ovate or ovate-oblong, acute or subacute, the margins flat, semi-amplexicaul, strongly 3- to 7-veined, coriaceous, alternate. Inflorescence with 3-9 flowers, dense in flower and fruit. Bracts 4-5 (-12) mm, linear-lanceol- ate, acute, becoming leaf-like below. Pedicels (2-) 3-4 mm in flower and fruit, erect. Calyx-lobes more or less equal, 7-10 x 1.3-1.8 mm, linear-oblong or linear-lanceolate, subacute, the margins narrowly scarious, white. Corolla 26-28 (-30) mm, purplish-violet, the tube marked with yellow, the palate blackish-violet; tube 6-8 mm wide; adaxial lip sinus 1.5-2 mm: abaxial lip sinus 1-1.2 mm; spur 6-8 mm, 1.5-2 mm broad at base, curved, shorter than rest of corolla. Capsule 6-10 x 6-9 mm, globose or subglobose, obtuse or shallowly emarginate, glabrous. Seeds 2.8-3.2 x 1.8-2.2 mm, oblong-reniform, dark grey; wing 0.6-0.8 mm broad; disc smooth. Modified from Sutton (1988).
Central Afghanistan (Hindu Kush). Af.
AFGHANISTAN: C; Deh Kundi, 2800 m, 8 vi 1949 Edelberg 1916 (holo. W, iso. C, microfiche IDC-2204/115/9!, IDC-2204/115/10!).