birch tree catkin twig, betula pendula ament stem macro closeup detail, young spring catkins leaves, large detailed vertical isola

aglet ament amentum april background betula birch birchen blooming blossom blossoming botanical botany branch brown bud buds bunch burgeon catkin catkins close closeup deciduous detail detailed flora floral flower foliage golden gosling green growth hanging isolated large leaf leaves lush macro march nature new pendula plant plants pollen reproduction season seed spring stem tree twig vein vertical vibrant white woods yellow young