common birch betula verrucosa blooming

against age alba angiospermous arboriculture background betula birch birchtree bloom blooming blossom bright broadleaf broadleaved catkins cluster come deciduary deciduous dendrology flora floret flower foliage forest forestry forests glow green greenth greenwood hardwoods head inflorescence inflorescentia leaf leafy leaves new pendula raceme science sound species spring sun truss verrucosa warty weeping white wood young