Steptorhamphus tuberosus, (Jacq.) Grossh.

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 : 328

1. S. tuberosus (Jacq.) Grossh. , FI. Kavk. 4: 258 (1934)

( Lactuca eretica Desf. ).

Stem 40-60(-100) cm, sometimes branched above. Lower leaves entire to runcinate-pinnatifid, sagittateamplexicaul, hairy; uppermost cauline lanceolate, entire. Capitula 1-2. Involucral bracts up to 40 mm, lanceolate to ovate, usually purplish-tinged, glabrous or nearly so. Ligules yellow. Achene 6-15 mm; body elliptical, 1 - to 3-ribbed, minutely hairy and rugulose; beak pale, Ц-3 times as long as body. S. part of Balkan peninsula and Aegean region; Krym. Bu Cr Gr Rs (K).

Plants with lilac or purple ligules but otherwise similar to 1 occur in S.W. Asia; they have been reported from Krym, but have not been seen there in recent years.