- Name also: Common Osier
- Family: Willow Family – Salicaceae
- Growing form and height: Shrub. 2–6 m.
- Flowering time: April–May. Flowers before coming into leaf.
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Osier hybrids: (1) osier and almond willow (S. triandra) = S. x mollissima; (2) osier and goat willow (S. caprea) = S. x smithiana; (3) osier and grey willow (S. cinerea) = S. x dasyclados also Salix ’Aquatica’.