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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]
leaf base. 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.
pl. adelphiae A bundle or structure of stamens forming one unit in an adelphous flower; for example, the stamen tube around the pistil of Hibiscus. adelphous Having organs, particularly filament s such as stamen s, connected into one or more adelphiae, whether in the form of bunches or tubes, such as is commonly seen in families such as Malvaceae. Usage of the term is not consistent; some ...
The maple leaf is used on the Canadian flag and by the Federal Government as a personification and identifier on its websites, as part of the government's wordmark . The maple leaf is also used in logos of various Canadian-based companies (including Canadian subsidiaries of foreign companies and small local businesses) and the logos of Canadian ...
On Fairy-Stories. " Leaf by Niggle " is a short story written by J. R. R. Tolkien in 1938–39 [ T 1] and first published in the Dublin Review in January 1945. It was reprinted in Tolkien's book Tree and Leaf, and in several later collections. Contrary to Tolkien's claim that he despised allegory in any form, the story is an allegory of Tolkien ...
J. E. Millais: The Return of the Dove to the Ark (1851). According to the biblical story (Genesis 8:11), a dove was released by Noah after the Flood in order to find land; it came back carrying a freshly plucked olive leaf (Hebrew: עלה זית alay zayit), [7] a sign of life after the Flood and of God's bringing Noah, his family and the animals to land.
"Beanpods" and leaf details of the northern catalpa. Catalpa (/ k ə-ˈ t æ l-p ə /, / k ə-ˈ t ɑː l-p ə / [1]), commonly also called catawba, is a genus of flowering plants in the family Bignoniaceae, native to warm temperate and subtropical regions of North America, the Caribbean, and East Asia.
Evergreen. A silver fir shoot showing three successive years of retained leaves. Evergreen. In botany, an evergreen is a plant which has foliage that remains green and functional throughout the year. [ 1] This contrasts with deciduous plants, which lose their foliage completely during the winter or dry season.