Crataegus monogyna subsp. azarella, (Griseb.) Franco

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 : 76

(f) Subsp. azarella (Griseb.) Franco , Collect. Bot. (Barcelona) 7:471 (1968)

( C. azarellaGriseb. ):

Twigs and young leavesdensely pubescent, usually retaining some hairs; leaves 15-30 x 7-30 mm, flabellate, deeply 3- to 5(-7)-lobed, subcoriaceous, light green beneath; petiole 4-13 mm; hypanthium villous; fruit 7-10 mm, subglobose, brownish-red. Dry mountain thickets. • S.E. Europe, Sicilia, S. & E. Italy and S. & E. Spain.

C. x polyacantha Jan , Elench. Hort. Farm. 8 (1827) ( C. laciniata x monogyna , 1 C. oxyacantha auct. balcan.) recorded originally from Sicilia, and perhaps found also in the Balkan peninsula, is like 14 (f) but has blackish twigs; more slender spines; leaves 15-20 x 15-20 mm, retaining the hairs on the veins beneath; stipules 6-9 x 3-5 mm, semisagittate, serrate; corymb fewflowered; styles (1—)2; fruit 4-7 x 4-7 mm, deep red, globose- urceolate but flattened sideways, verruculose; pyrenes usually 2.