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While plants of subgenus Equisetum are usually referred to as horsetails, those of subgenus Hippochaete are often called scouring rushes, especially when unbranched. [citation needed] Two Equisetum plants are sold commercially under the names Equisetum japonicum (barred horsetail) and Equisetum camtschatcense (Kamchatka horsetail).
Equisetidae is one of the four subclasses of Polypodiopsida (ferns), a group of vascular plants with a fossil record going back to the Devonian. They are commonly known as horsetails. [2] They typically grow in wet areas, with whorls of needle-like branches radiating at regular intervals from a single vertical stem.
Horsetail is a genus of fifteen species of perennial herbs with jointed, ridged stems and sheath-like leaves. Learn about their medicinal, nutritional and detoxification benefits, their distribution and classification, and their history and folklore.
- The Editors of Encyclopaedia Britannica
Horsetails, the genus Equisetum, are a very easily recognized group of plants that are commonly found throughout the world. They represent a very small remnant, only a single genus with less that 100 species, of a group that in the Paleozoic was a much more conspicuous component of the earth's flora.
Equisetum arvense, the field horsetail or common horsetail, is an herbaceous perennial plant in the Equisetidae (horsetails) sub-class, native throughout the arctic and temperate regions of the Northern Hemisphere.
15 de jan. de 2013 · Equisetum is a genus of ancient vascular plants with 15 species, including the giant horsetails. Learn about their morphology, anatomy, distribution, adaptations, and phylogenetic relationships in this article.
Horsetails are living fossils. These plants (genus Equisetum) have photosynthetic branches and papery, scale-like leaves produced in whorls. They produce photosynthetic spores with elaters that can …
