Lathyrus pannonicus subsp. hispanicus, (Lacaita) Bassler

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 139

(d) Subsp. hispanicus (Lacaita) Bässler , loc. cit. (1966):

Stems 15-30 cm, not winged; tubers usually more than 10 cm, slender or fusiform. Leaflets 15-30x4-7 mm, oblong-lanceolate or oblong-elliptical. Peduncles 4-8 cm, usually exceeding the subtending leaf. Calyx-teeth glabrous or sparsely ciliate, the lowest c. i as long as tube. Dry grassland and scrub. • C. & E. Spain.

Intermediates between subspp. (c) and (d) occur in the Pyrenees and in N.E. Spain. This subspecies has also been recorded from Krym but all the specimens seen from there are referable to subsp. (b).