branch blooming willow close up against the blue sky on a sunny spring day, willows, also called sallows and osiers

allergy also background bloom blooming blossom blue botanic botany branch branches bright bud bunch called catkin catkins close closeup day detail early easter flora floral flower flowering fluffy foliage form fresh genus leaf natural nature osiers outdoor outdoors plant pollen pussywillow salix sallows season sky soft sprig spring springtime sunny tree twig willow willows yellow