Horsetail

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Horsetail Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America

Definitions from Wiktionary


  • perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America

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Horsetail Meaning and Definition in Wikipedia


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The horsetails are a class in the Pteridophyta (ferns). They were one of the most important plant groups in the Palaeozoic era. They are seen in the coal measures of the Carboniferous period, and some were trees reaching up 30 metres. The group is now almost extinct, but one genus survives. They are vascular plants that reproduce by spores and not by seeds. The name horsetail arose because the branched species somewhat resemble a horse's tail.

Equisetum is the only living genus of horsetails. The name Equisetum comes from the Latin (equus = horse; and seta = bristle). The genus includes 15 species. Horsetails are native on all continents except Australasia and Antarctica. They are perennial plants, either herbaceous, they back in winter (most temperate species) or they are evergreen (some tropical species, and the temperate species Equisetum hyemale, E. scirpoides, E. variegatum and E. ramosissimum). They mostly grow 0.2-1.5 m tall, though E. telmateia can exceptionally reach 2.5 m, and the tropical American species E. giganteum 5 m, and E. myriochaetum 8 m.



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