![]() | Family Oleaceae - Olive, Ash, Lilac Flowering plants, containing 25 genera and over 500 species. Tree Encyclopedia | Fruit Trees | Nut Trees |
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| Most species are native to temperate and tropical regions of the Northern Hemisphere. The best known trees of this family are olive and ash, while the most familiar shrubs are privet, lilac, and golden bell (Forsythia), all popular ornamental plants. |
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![]() Fuerst Buelow Lilac | ![]() Michel Buchner Lilac | ![]() Korean Ash | ![]() General Sheridan Lilac |
Tree Encyclopedia Trees live longer than any other organism on earth, and trees are the largest organisms on the planet. Trees have been living on Earth for more than 370 million years, and today can be found almost everywhere from the Arctic Circle to the Sahara Desert. Explore over 2,000 large pictures of trees in more than 450 species, with leaves, bark and form detailed. Tree Encyclopedia | Trees Index | Fruit Trees | Nut Trees | Plant a tree! |