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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.
This is an alphabetical list of plants used in herbalism. Phytochemicals possibly involved in biological functions are the basis of herbalism, and may be grouped as: primary metabolites, such as carbohydrates and fats found in all plants; secondary metabolites serving a more specific function. [1]
Equisetum myriochaetum, also known as Mexican giant horsetail, is a species of horsetail that is native to Nicaragua, Costa Rica, Colombia, Venezuela, Ecuador, Peru and Mexico. It is the largest horsetail species, commonly reaching 4.6 metres (15 ft), with the largest recorded specimen having a height of 7.3 metres (24 ft). [ 2 ]
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.
Equisetum praealtum, [1] the scouringrush horsetail, [2] is a species of Equisetum (horsetail) native to North America and northeastern Asia. [1] It was formerly widely treated as a subspecies or variety of the European and west Asian species Equisetum hyemale (rough horsetail), and still is by some authorities.
Equisetum hyemale (rough horsetail [2]) is an evergreen perennial herbaceous pteridophyte in the horsetail family Equisetaceae native to Eurasia and Greenland. It was formerly widely treated in a broader sense including a subspecies (subsp. affine ) in North America, but this is now treated as a separate species, Equisetum praealtum .
Equisetum fluviatile, the water horsetail or swamp horsetail, is a vascular plant in the horsetail family Equisetaceae. It is a perennial herbaceous pteridophyte that reproduces using spores . Description
Horsetail with untidy branches from the lower parts (which may be prominent or not apparent), with or without main upright stems, able to form a colony from underground roots. Rocky ground tends to constrict root-spread and favours a bushy appearance, unrocky ground favours more slender plants arising from spreading roots, and trampling or ...