willows or sallows, and osiers, form the genus salix, around 400 species

400 and angiosperm angiospermae background beautiful beauty biological biology black blooming blossom botanical botany branch bright cold cultivar deciduous environment flora flower foliage forest form found garden genus green growth hemisphere horticulture landscape leaf leaves moist natural nature new northern ornamental osiers park peking plant pollen primarily regions salicaceae salix sallows season shrubs sky soils species spring summer sun sunlight sunny temperate tree trees trunk white willow willows wood