Salix alba It is a deciduous tree. Average height- Is 10–30 m English: white willow tall with a trunk up to 1 m diameter. Bark colour: Spanish: sauce blanco grey, brown to green, brown and deeply fissured in older trees. The shoots in the typical species are Estonian: Hõberemmelgas Leaves They are 5–10 cm long and 0.5–1.5 cm wide. The leaves are paler than most other willows, due to a covering of very fine, silky white hairs, in particular on the underside. grey-brown to green-brown. Flowers The flowers are produced in catkins in early spring, and pollinated by insects. It is dioecious, with male and female catkins on separate trees; the male catkins are 4– 5 cm long, the female catkins 3–4 cm long. Fruit When mature in midsummer, the female catkins comprise numerous small (4 mm) capsules, each containing numerous minute seeds embedded in white down, which aids wind dispersal.