Allium senescens, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 53-54

3. A. senescens L. , Sp. Pl. 299 (1753) .

Bulbs c. 1 cm in dia­ meter, oblong or narrowly conical, clustered on a short horizontal rhizome; tunics membranous, thin. Stem 7-45 cm, angular, 2-edged above. Leaves 4-9, 4-30 cm x (1-) 1 -5-2(-6) mm, basal, linear, almost flat, slightly rounded but not keeled beneath. Spathe 5-8 mm, 2- to 3-lobed, persistent, shorter than pedicel. Umbel 2-5 cm in diameter, hemispherical, many-flowered; pedicels 8-20 mm. Perianth cup-shaped; segments 3 -5-8 x 2- 2- 5 mm, lilac, the outer cymbiform, lanceolate or narrowly ovate, the inner elliptical or narrowly ovate, longer than the outer, acute or obtuse. Stamens exserted; filaments 4-6- 5 mm,

the outer 0- 5 mm and the inner 1 mm wide at base, simple. Ovary deeply 3-lobed. Capsule 4 mm. 2/2= 16, 24, 32 + 0-4B. Dry, usually rocky places. C. & S. Europe, extending to C. France, S. Sweden and C. Ukraine. Au Bu Cz tDa Ga Ge He Hs Hu It Ju?Lu Po Rm Rs (B, C, W) Si Su [No].

The European plant described above is subsp. montanum (Fries) Holub , Folia Geobot. Phytotax. (Praha) 5: 341 (1970) ( A. montanum F. W. Schmidt , non Schrank, A. lusitanicum Lam. , A. fallax Schultes & Schultes fil. , nom. illegit.). Other subspecies occur in Siberia and C. Asia.