Ads
related to: plants and trees encyclopedia free
Search results
Results from the WOW.Com Content Network
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]
Grain, fruit, and vegetables are basic human foods and have been domesticated for millennia. People use plants for many purposes, such as building materials, ornaments, writing materials, and, in great variety, for medicines. The scientific study of plants is known as botany, a branch of biology .
Plant taxonomy. Plant taxonomy is the science that finds, identifies, describes, classifies, and names plants. It is one of the main branches of taxonomy (the science that finds, describes, classifies, and names living things). Plant taxonomy is closely allied to plant systematics, and there is no sharp boundary between the two.
Eucalyptus ( / ˌjuːkəˈlɪptəs /) [2] is a genus of more than 700 species of flowering plants in the family Myrtaceae. Most species of Eucalyptus are trees, often mallees, and a few are shrubs. Along with several other genera in the tribe Eucalypteae, including Corymbia and Angophora, they are commonly known as eucalypts or "gum trees".
The main article for this category is Tree. A tree can be defined as a large woody perennial plant. Though there is no set definition of size, it is generally at least 4.5 m (15 ft) high at maturity, and with branches supported on a single main stem. Trees are important components of the natural landscape and significant elements in landscaping.
Crataegus rhipidophylla [ 1] Gand. Crataegus ( / krəˈtiːɡəs / [ 2] ), commonly called hawthorn, quickthorn, [ 3] thornapple, [ 4] May-tree, [ 5] whitethorn, [ 5] Mayflower or hawberry, is a genus of several hundred species of shrubs and trees in the family Rosaceae, [ 6] native to temperate regions of the Northern Hemisphere in Europe ...
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 ...
See also List of Quercus species . 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.
Ads
related to: plants and trees encyclopedia free