Senecio helenitis, (L.) Schinz & Thell.

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 : 199-200

36. S. helenitis (L.) Schinz & Thell. , Fieri. Naturf. Ges. Zürich 53: 569 (1908).

Perennial 3O-7O(-12O) cm. Stems slender. Basal leaves 5-20 x 1-4 cm, more or less erect and not appressed to the ground, ovate to spathulate or elliptic-oblong, petiolate;

cauline leaves few, oblanceolate to linear, sessile or scarcely petiolate, subamplexicaul. Capitula 3-12(-20), 20-25 mm in diameter, in a rather lax corymb; peduncles mostly 2-3 times as long as involucre. Involucre 8-12 mm. Ligules yellow or golden yellow (rarely orange). Achenes c. 3 mm. • From N. Spain and N. W. France eastwards to C. Austria and E.C. Germany. Au Be Ga Ge He Hs. 1 Achenes usually glabrous; basal leaves up to 7(-10) cm; stems and leaves sparsely hairy, glabrescent

(d) subsp. salisburgensis 1 Achenes hairy; basal leaves up to 20cm; stems and leaves more or less arachnoid-hairy, the leaves usually densely so beneath

2 Basal leaves fleshy, subcordate at base; ligules 6-8 mm

(b) subsp. candidus 2 Basal leaves not fleshy, abruptly or gradually narrowed at base; ligules 8-15 mm, or absent

3 Basal leaves regularly and finely dentate; bracts arachnoidlanate in lower |, otherwise glabrous

(c) subsp. macrochaetus 3 Basal leaves subentire or irregularly dentate; bracts arachnoidlanate throughout (a) subsp. helenitis