Viburnum opulus, L.

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 : 45

1. V. opulus L. , Sp. Pl. 268 (1753) .

Deciduous shrub up to 4 m. Twigs greyish, glabrous, angled; buds with scales. Leaves 3-8(-12-5) x 4-5-9(-13) cm, with 3(-5) irregularly dentate lobes, acuminate, glabrous above, pubescent or glabrescent beneath; petioles 1—2-5(—3-5) cm, with discoid glands; stipules filiform, sometimes laciniate and glandular. Inflorescence 4-5-10-5 cm in diameter; peduncle 1-4 cm. Flowers white, the inner 4-7 mm in diameter, fertile, the outer (9-)15-20(-25) mm in diameter, sterile. Fruit c. 8 mm, subglobose, red. In = 18. Europe, except for parts of the north and most of the Mediterranean region. Al Au Be Br Bu Cz Da Fe Ga Ge Hb He Ho Hs Hu It Ju No Po Rm Rs (N, B, C, W, K, E) Su.