Ключевые слова: allergen, allergenic, allergic, allergy, avellana, background, beauty, bloom, blooming, blossom, botanical, botany, branch, brown, bush, catkin, catkins, close, closeup, common, corylus, corylus avellana, detail, early, environment, flora, flower, forest, garden, green, growth, hazel, hazelnut, long, macro, male, natural, nature, plant, pollen, pollination, season, shrub, spring, springtime, tree, twig, yellow, young,