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Aspen trees are all native to cold regions with cool summers, in the north of the northern hemisphere, extending south at high-altitude areas such as mountains or high plains. They are all medium-sized deciduous trees reaching 15–30 m (50–100 ft) tall. In North America, the aspen is referred to as quaking aspen or trembling aspen because ...
Mangrove plants require a number of physiological adaptations to overcome the problems of low environmental oxygen levels, high salinity, and frequent tidal flooding.Each species has its own solutions to these problems; this may be the primary reason why, on some shorelines, mangrove tree species show distinct zonation.
Mangroves are hardy shrubs and trees that thrive in salt water and have specialised adaptations so they can survive the volatile energies of intertidal zones along marine coasts. A mangrove is a shrub or tree that grows mainly in coastal saline or brackish water. Mangroves grow in an equatorial climate, typically along coastlines and tidal ...
The tree growth habit is an evolutionary adaptation found in different groups of plants: by growing taller, trees are able to compete better for sunlight. [14] Trees tend to be tall and long-lived, [15] some reaching several thousand years old. [16] Several trees are among the oldest organisms now living. [17]
Trees are important components of the natural landscape and significant elements in landscaping. Compared with most other forms of plants, trees are long-lived. A few species of trees grow to over 100 m (300 ft) tall and some live for several millennia.
There are many different kinds of evergreen plants, including trees, shrubs, and vines. [citation needed] Evergreens include: Most species of conifers (e.g., pine, hemlock, spruce, and fir), but not all (e.g., larch). [2] Live oak, holly, and "ancient" gymnosperms such as cycads; Many woody plants from frost-free climates; Rainforest trees; All ...
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This category is being considered for merging into Category:Trees of the United States. This nomination is part of a discussion of several related categories. This does not mean that any of the pages in the category will be deleted. They may, however, be recategorized.