willows or sallows, and osiers, form the genus salix

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