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A leaf ( pl.: leaves) is a principal appendage of the stem of a vascular plant, [ 1] usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", [ 2][ 3] while the leaves, stem, flower, and fruit collectively form the shoot system. [ 4]
Scientific name Common name Family FIA Code (US) Conservation status Conifers; Araucariaceae: monkey-puzzle family; Agathis: kauri conifers; Agathis australis: kauri pine; dammar Araucariaceae (monkey-puzzle family) Agathis lanceolata: red kauri Araucariaceae (monkey-puzzle family) Agathis robusta: Dundathu pine; Queensland kauri; smooth bark kauri
Triangular, wedge-shaped, stem attaches to point. cuneiform. whole leaf. Narrowly triangular, widest on the opposite end from the stem, with the corners at that end rounded. cuspidate. cuspidatus. leaf tip. With a sharp, elongated, rigid tip; tipped with a cusp. deltoid, deltate.
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.
A tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree structure" because the classic representation resembles a tree, although the chart is generally upside down compared to a biological tree, with the "stem" at the top and the "leaves" at the bottom.
List of plant family names with etymologies. Irises, by Vincent van Gogh. The iris (from Greek for "rainbow") is in the family Iridaceae. Since the first edition of Carl Linnaeus 's Species Plantarum in 1753, plants have been assigned one epithet or name for their species and one name for their genus, a grouping of related species. [1]
This is a list of U.S. state, federal district, and territory trees, including official trees of the following of the states, of the federal district, and of the territories . State. federal district. or territory. Common name.
One of the oldest trees in Europe, estimated to be about 1,650 years old. Its crown spread covers an area of 1,017 square metres, its girth is 7.45 m, and its height is 23.4 m. Allerton Oak. Sessile oak ( Quercus petraea ) Calderstones Park, Liverpool, UK. 53°22′57″N 2°53′34″W / .