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You are free: to share – to copy, ... Description=A green maple leaf, recoloured from Image:Conservative maple leaf, blue.svg in order to replace en: ...
A green leaf is green because of the presence of a pigment known as chlorophyll, which is inside an organelle called a chloroplast. When abundant in the leaf's cells, as during the growing season, the chlorophyll's green color dominates and masks out the colors of any other pigments that may be present in the leaf. Thus, the leaves of summer ...
Black Leaf on Green Background (1952) is a collage by Henri Matisse.The medium is gouache and cut paper on paper. It is in the Menil Collection, Houston, Texas.During the early-to-mid-1940s Matisse was in poor health, and by 1950 he stopped painting in favor of his paper cutouts.
The maple leaf slowly caught on as a national symbol. In 1868, it was included in the coat of arms of Ontario and the coat of arms of Quebec, and was added to the Canadian coat of arms in 1921. Historically, the golden maple leaf had represented Ontario, while the green maple leaf had represented Quebec. [4]
Non-vascular plants and green algae have an additional light-independent enzyme and grow green even in darkness. [40] Chlorophyll is bound to proteins. Protochlorophyllide, one of the biosynthetic intermediates, occurs mostly in the free form and, under light conditions, acts as a photosensitizer, forming free radicals, which can be toxic to ...
The term colewort is a medieval term for non-heading brassica crops. [2] [3]The term collard has been used to include many non-heading Brassica oleracea crops. While American collards are best placed in the Viridis crop group, [4] the acephala (Greek for 'without a head') cultivar group is also used referring to a lack of close-knit core of leaves (a "head") like cabbage does, making collards ...
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Chard, like other green leafy vegetables, has highly nutritious leaves. Chard has been used in cooking for centuries, but because it is the same species as beetroot , the common names that cooks and cultures have used for chard may be confusing; [ 3 ] it has many common names , such as silver beet , perpetual spinach , beet spinach , seakale ...
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