Linaria glauca, (L.) Chaz.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 235

56. L. glauca (L.) Chaz. , Diet. Jard., Suppl. 2: 39 (1790).

Annual or perennial, glabrous or glandular-puberulent in inflorescence; stems 5-25 cm, usually several, procumbent to ascending-erect. Leaves 5-15 x 0-3-1 mm, linear, verticillate below, alternate above. Racemes with 3-7 flowers, rather lax, glabrous or glandular-pubescent; pedicels 1-4 mm, shorter or longer than bracts. Corolla 7-14 mm, yellow, rarely with bluish veins; spur 3-8 mm, stout. Capsule 3-5-5 mm, globose. Seeds 1 -2-2-5 mm; disc black. • C. & E. Spain. Hs.

1 Seeds not more than 1- 5 mm, with black wing 0-2-0-4 mm wide

2 Annual; seeds with wing c. 0-2 mm wide (a) subsp. glauca 2 Perennial; seeds with wing 0-3-0-4 mm wide (b) subsp. olcadium 1 Seeds 1 -5-2-5 mm, with wing 0-4-0-6 mm wide

3 Seeds with black wing; pedicels shorter than bracts

(d) subsp. bubanii 3 Seedswithwhitewing; pedicelsusuallylongerthan bracts

(c) subsp. aragonensis