Nymphaea alba, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 205

1. N. alba L. , Sp. Pl. 510 (1753)

( Castalia alba (L.) W. Wood ).

Rhizome creeping. Leaves all floating, suborbicular with a deep basal sinus, lobes parallel or divergent. Buds usually rounded. Receptacle cylindrical. Flowers 10-20 cm in diameter, scented, floating, open nearly all day. Sepals lanceolate, white above, decaying after flowering. Petals 20-25. Filaments of innermost stamens filiform; connective not prolonged beyond the anthers. Pollen c. 20// in diameter, pale yellow, rugose and papillate with rod-shaped papillae. Stigma flat, rays usually 14-20. Seeds 2-3 mm. 2/7= 84, c. 105, 112. Almost throughout Europe. All except Az Fa Is Sb.