Anthemis gerardiana, Jordan

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 : 150

11. A. gerardiana Jordan , Obs. Pl. Crit. 7: 31 (1849).

Perennial with few non-flowering shoots. Stems 20-40(-55) cm, 4|-10 times as long as the non-flowering shoots, often numerous, erect, straight, slender, rigid, simple or sometimes with 1—2(—3) branches below the middle. Leaves 1-5-4 cm, 1-to 2-pinnatisect, somewhat fleshy, glandular-punctate, green, more or less subappressed-hairy; segments more or less patent; lobes linear, acute, 0-5-1 mm wide; petiole very slender, pectinate at base. Peduncles 7-21 cm. Capitula up to 25 mm in diameter. Involucre hemispherical, umbonate, floccose-lanate; outer bracts ovate-triangular to ovate-lanceolate, acute, without scarious margin, the others oblong, obtuse, with wide hyaline margin and apex. Ligules 2-8 x 1-5-3 mm. Disc up to 10 mm in diameter in fruit. Receptacle usually conical; scales oblong-cuneate, shortly acuminate, shorter than florets. Achenes 1-5-2 mm, obpyramidal, not or slightly ribbed on the adaxial side, without tubercules or granules and with an acute rim or corona usually less than 0-25 mm. Stony places; calcifuge. • S.E. France. Ga.