(modifié de Coste, Flore de la France 1937) :
Polymorphe.. Arbrisseau de 2-6 mètres, à rameaux un peu divariqués, peu anguleux, les jeunes et les bourgeons tomenteux-cendrés; bois nu strié en long;
Écologie : (répartition d'après la flore) Lieux humides, dans toute la France et la Corse.
Répartition hors de France : Europe; Asie occidentale et boréale, Afrique septentrionale.
(modified from Butcher, British Flora 1961):
NOTE: the French text is more complete and up-to-date
A bush 5-10 m. high, Twigs usually pubescent, blackish, with raised striæ under the bark.
Ecology UK: (distribution according to flora) common in waste places and hedges throughout the British Isles.
France:
Distribution outside France: ?
Fleurs : chatons précoces, oblongs ou cylindriques, denses, subsessiles, à écailles velues, noirâtres au sommet; style court;
Floraison France : Mars-avril.
Flowers: Catkins 20-30 mm long, appearing before the leaves, at first erect, later spreading, subsessile; male ovoid, female cylindrical; scales ovate, subacute or obtuse, clothed with silky hairs. Stamens 2, filaments pilose in their lower half, nectaries quadrate, oblong, short. Ovary hairy, ovoid-conical, grey-tomentose; pedicel slender, three to five times as long as nectary, stigmas rather short, styles usually very short;
Flowering UK: Late March-mid April.
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