Knautia integrifolia, (L.) Bertol.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 67

46. K. integrifolia (L.) Bertol. , FI. Ital. 2: 32 (1835)

( K. hybrida (All.) Coulter ).

Annual. Stem 20-80 cm, hirsute below, subhirsute to subglabrous above; peduncles usually eglandular. Basal leaves in a rosette, dentate or crenate, glabrous or hirsute, undivided or lyrate-pinnate with obovate or lanceolate, obtuse lobes, petiolate; upper leaves linear to lanceolate, more or less amplexicaul. Hermaphrodite capitula c. 3 cm in diameter, with 30-40 florets; female capitula c. T5 cm in diameter, with 20-30 florets. Involucre patelliform; bracts in 2-3 rows, ovate at base, lanceolate-acuminate, with 3—5(—7) inconspicuous veins, greyish-velutinous, ciliate-hirsute, usually eglandular. Calyx cupuliform, 12- to 24-dentate, rarely with some teeth awned. Corolla violet; marginal corollas with outer median lobe somewhat wider than the lateral, the tube c. 3-5 mm. Fruit with equal involucel-teeth, or those on 2 angles much longer and distinctly 2-horned. 2л = 20. Grassland, scrub and disturbed ground. Mediterranean region, Bulgaria. Al BI Bu Co Cr Ga Gr Hs It Ju Sa Si Tu.