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10. Mai 2024 · Learn about the diversity, evolution, and ecological significance of trees, the woody perennial plants with single trunks and branches. Explore the classification, anatomy, and growth patterns of trees from different groups, such as ferns, cycads, conifers, and angiosperms.
15. Mai 2024 · Die Deutsche Dendrologische Gesellschaft e.V. (DDG) vereint Personen und Institutionen, denen Kenntnis und Schutz, Pflanzung und Pflege, Erforschung und Nutzung von Bäumen und Sträuchern wichtige Anliegen sind.
Vor einem Tag · An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere; it includes some 500 species, both deciduous and evergreen.
25. Mai 2024 · Birch, genus of about 40 species of short-lived ornamental and timber trees and shrubs of the family Betulaceae, distributed throughout cool regions of the Northern Hemisphere. They are valuable in reforestation and erosion control, and many are cultivated as ornamentals for their attractive foliage and bark.
- The Editors of Encyclopaedia Britannica
Vor 4 Tagen · A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae. World Flora Online accepts 187 species names of pines as current, with additional synonyms, making it the largest family among the conifers.
Vor 6 Tagen · Giant sequoia, (Sequoiadendron giganteum), coniferous evergreen tree of the cypress family (Cupressaceae), the largest of all trees in bulk and the most massive non-clonal organism by volume. The giant sequoia is the only species of the genus Sequoiadendron and is distinct from the coast redwoods.
Vor 6 Tagen · There are colonies of clonal trees that have lived for tens of thousands of years, but there's something majestic about a single tree able to stand on its own for millennia.
