Ключевые слова: abstract, adler, arboretum, arecaceae, background, beautiful, botany, bright, caucasus, date palm, environment, europe, flora, floral, foliage, garden, gardening, green, greenhouse, growing, herbarium, historical monument, landscape, leaf, msu, natural, nature, ornamental plant, palm, palm trees, palmaceae, park, phoenix hybrida, plant, priming, scenic, sirius, sochi, sochi russia, southern, southern cultures, spring, subtropic, subtropical, summer, texture, tourism, tree, trees, tropical,