Crataegus monogyna subsp. leiomonogyna

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

(c) Subsp. leiomonogyna (Klokov) Franco , Feddes Repert. 79: 37 (1968)

(C. leiomonogyna Klokov): Leaves 30-50 x 15-35 mm, obovate, 3- to 5-lobed, coriaceous, glaucescent beneath, glabrous or nearly so; petiole 15-30 mm; hypanthium glabrous; fruit 7-9 x 5-7 mm, shortly ellipsoid, brownish-red. Forest-steppe. • C. & S. Ukraine.