Ключевые слова: alnus serrulata, background, beautiful, blooming, blossom tree, botanical, botany, branch, bright, bud, bush, catkins, close up, deciduous tree, decorative, detail, environment, family betulaceae, flora, floral, flower, foliage, forest, fresh, garden, green, growth, hang, hazel alder, icicles, jump, leaf, leaves, medical, natural, naturally, organic, ornamental, outdoor, park, plant, season, seed, shrub, smooth alder, strip, tree, twig, wood, yellow,