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Of the six major plant parts, [n 2] seeds are the dominant source of human calories and protein. [1] A wide variety of plant species provide edible seeds; most are angiosperms, while a few are gymnosperms. As a global food source, the most important edible seeds by weight are cereals, followed by legumes, nuts, [2] then spices.
Mature trees range from 12 to 20 metres (40–65 ft) tall with short trunks and round-topped canopies. [6] The roots are thick, fleshy, and covered with bright orange bark. The tree's mature bark is dark, deeply furrowed and scaly. The plant has significant potential to invade unmanaged habitats. [6]
Equisetum (/ ˌ ɛ k w ɪ ˈ s iː t əm /; horsetail) is the only living genus in Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds. [2]Equisetum is a "living fossil", the only living genus of the entire subclass Equisetidae, which for over 100 million years was much more diverse and dominated the understorey of late Paleozoic forests.
The word "points" is given to the mane, tail, lower legs, and ear rims with respect to horse coloration. The overall name given to a horse coat color depends on the color of both the points and the body. For example, bay horses have a reddish-brown body with black points. [3] Point coloration is most often produced by the action of the agouti gene.
The organisms first appear in the fossil record during the late Devonian, [1] a time when land plants were undergoing a rapid diversification, with roots, seeds and leaves having only just evolved. (See Evolutionary history of plants ) However, plants had already been on the land for almost a hundred million years, with the first evidence of ...
The colors and patterns of jockeys' silks have special meaning for horse owners. The silks for the historic 150th edition of the Kentucky Derby on May 4 at Churchill Downs are filled with a ...
Fire, mowing, or slashing is ineffective at removing the plant as new stems quickly grow from the rhizomes. Some herbicides remove aerial growth but regrowth quickly occurs albeit with a reduction in frond density. [7] E. arvense is a nonflowering plant, multiplying through spores. It absorbs silicon from the soil, which is rare among herbs.
Once a horse stops racing for five years, the name is put back into circulation unless it has reached a certain level of success as defined by the Jockey Club (such as horses in racing’s Hall of ...