Gnaphalium undulatum, 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 : 128

2. G. undulatum L. , Sp. Pl. 852 (1753).

Stem (20-)30-80(-90) cm, robust, erect, branched; branches divaricate or erect. Leaves 2-5 cm, oblong-lanceolate, decurrent, acute, green and asperous above, white-tomentose beneath. Corymb large, lax, sometimes paniculate. Capitula lanate at the base, white or yellow, subsessile, in often globose clusters. Involucral bracts white, glabrous, obtuse. Florets c. 3 mm. Achenes 0-5-0-6 mm, minutely papillose; pappus c. 3 mm. Roadsides and waste places. Naturalized in N.W. France, Channel Islands and S. Italy. [Ga It.] (South Africa)