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Traditional macarons de Nancy. A macaron (/ ˌ m æ k ə ˈ r ɒ n / MAK-ə-RON, [1] [2] French: ⓘ) or French macaroon (/ ˌ m æ k ə ˈ r uː n / MAK-ə-ROON) is a sweet meringue-based confection made with egg white, icing sugar, granulated sugar, almond meal, and often food colouring.
The origin of that is unclear; it may be from medieval Greek μακαρία, 'barley broth', or μακαρώνεια, 'funeral chant'. The etymology connecting it to Italian maccare, 'to bruise' [3] is now rejected. [4] The origin of the word may also have referred to a sort of gnocchi. [citation needed]
Root hairs form an important surface as they are needed to absorb most of the water and nutrients needed for the plant. They are also directly involved in the formation of root nodules in legume plants. The root hairs curl around the bacteria, which allows for the formation of an infection thread into the dividing cortical cells to form the ...
The pattern of branching in a tree will vary from species to species, as will the appearance of a plant as a tree, herb, or grass. Fourthly, plant morphology examines the pattern of development, the process by which structures originate and mature as a plant grows. While animals produce all the body parts they will ever have from early in their ...
Herbaceous plants (also called herbs or forbs): a plant whose structures above the surface of the soil, vegetative or reproductive, die back at the end of the annual growing season, and never become woody. While these structures are annual in nature, the plant itself may be annual, biannual, or perennial. Herbaceous plants that survive for more ...
Most of these plants have true roots and leaves, and many were quite tall. The tree-like Archaeopteris, ancestral to the gymnosperms, and the giant cladoxylopsid trees had true wood. These are the oldest known trees of the world's first forests. Prototaxites was the fruiting body of an enormous fungus that stood more than 8 meters tall. By the ...
The cockspur coral tree (Erythrina crista-galli), is the national flower of Argentina and Uruguay. [75] The elephant ear tree (Enterolobium cyclocarpum) is the national tree of Costa Rica, by Executive Order of 31 August 1959. [76] The brazilwood tree (Caesalpinia echinata) has been the national tree of Brazil since 1978. [77]
In botany, stolons are plant stems which grow at the soil surface or just below ground that form adventitious roots at the nodes, and new plants from the buds. [1] [2] Stolons are often called runners. Rhizomes, in contrast, are root-like stems that may either grow horizontally at the soil surface or in other orientations underground. [1]