Artemisia annua, L.

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 : 185

48. A. annua L. , Sp. Pl. 847 (1753).

Glabrous annual 5-150 cm. Lower and middle leaves 3-pinnatisect, sessile, the basal segments remote from the next pair and smaller than them; lobes 1-5 x 0*5-1 mm, linear-lanceolate, acute, entire or with few teeth; upper leaves 1 - to 2-pinnatisect. Capitula hemispherical, nodding, in a lax, paniculate or (in small plants) racemose inflorescence. Involucre 1 *5-2 mm, shining; outer bracts lanceolate, with a narrow scarious margin; inner ovate, with a wide scarious margin. Receptacle glabrous. Corolla glabrous. 2л = 18. S.E. Europe; widely naturalized in C. & S. Europe. Al Bu Ju Rm Rs (C, W, K, E) Tu [Au Cz Ga Ge He Hu It Po].