Senecio macedonicus, Griseb.

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 : 197

23. S. macedonicus Griseb. , Spicil. FI. Rumel. 2: 221 (1846).

Glabrous or subglabrous perennial 50-80 cm. Stock short. Stems erect, branched only in inflorescence. Leaves rapidly diminishing in size up the stem; basal and lower cauline 15-30 x 2- 5-5 cm, broadly elliptical to oblong-lanceolate, gradually narrowed at base, petiolate, subentire or remotely dentate (rarely almost pinnatifid); upper cauline numerous, lanceolate, sessile, subamplexicaul. Capitula 4-12(-20), 25-40 mm in diameter, in a simple corymb. Involucre 8-11 mm, with 10-12 supplementary bracts c. $ as long as the involucre. Ligules 13-14, 13-17 mm, yellow. Achenes shortly hairy. Mountain woods and rocky slopes. E. part of Balkan peninsula. Bu Gr?Ju Tu. S. longipedunculatus Halácsy , Verh. Zool.-Bot. Ges. Wien 54: 484 (1904), described from S.E. Greece (Parnassos), has the supplementary bracts c. | as long as the inner and almost subulate (not linear); it is probably conspecific with 23. S. barckhausiifolius Boiss. & Heldr. in Boiss., Diagn. Pl. Or. Nov. 3(6): 101 (1859), from S.W. Asia, has once been recorded from S. Greece (Pateras Oros); it differs from 23 chiefly in having the basal and lower cauline leaves 5-7 x 1-5-2 cm, runcinatepinnatifid and with 2-3 pairs of triangular, dentate lobes, and supplementary bracts c. | as long as the involucre.