Ключевые слова: abstract, acer, acer griseum, acer mandshuricum, acer triflorum, arboretum, arnold arboretum, asia, autumn, autumn leaf color, autumnal, background, bark, beautiful, boston, botany, bush, canada, color, colorful, deciduous tree, decorative, exfoliation botany, fall, foliage, forest, fresh, golden, japanese, korea, leaf, leave, manchurian maple, maple, natural, nature, ornamental, plant, royal botanic gardens kew, russia, samara fruit, summer, symbolical, texture, tonewood, vivid, yellow,