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 Equisetum palustre
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| Equisetum palustre Linnaeus |
Equisetum palustre, the Marsh Horsetail, is a plant species belonging to the division of horsetails (Equisetophyta). Carl Linnaeus (Latinized as Carolus Linnaeus, also known after his ennoblement as, May 23 new style (13 May old style 1707 who laid the foundations for Equisetopsida, or Sphenopsida, is a class of Plants with a fossil record going back to the Devonian.
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Description
E. palustre is a perennial cryptophyte, growing between 10 to 50 centimeters (4" to 20"), in rare cases up to 1 meter (3'). A perennial plant or perennial ( Latin per, "through" annus, "year" is a Plant that lives for more than Its fertile shoots, which carry ears, are evergreen and shaped like the sterile shoots. Shoots are new plant growth they can include stems, flowering stems with flower buds leaves An ear is the top part of a Grain plant such as Wheat or Maize. The rough, furrowed stem is 1 to 3 mm in diameter with usually 8 to 10 ribs, in rare cases 4 to 12. It contains whorled branches. The tight-fitting sheaths end in 4 to 12 teeth. The lower sheaths are dark brown and much shorter than the sheaths of the main shoot. The central and vallecular are about the same size, but the carinal channels are much smaller. The central channels measure about one sixth of the diameter of the stem.
The spores are spread by the wind (anemochory) and have four long ribbons attached to them. In Biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions Biological dispersal refers to those processes by which a Species maintains ecosystem They sit on spore ears which are rounded on the top. Marsh Horsetails often form subterranous runners and tubers, with which they also can proliferate vegetatively. Tubers are various types of modified plant structures that are enlarged to store Nutrients They are used by Plants to overwinter and regrow the next year
Ecology
E. palustre is green from spring to autumn and grows spores from June to September. In Biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions It grows primarily in nutrient-rich wet meadows. A wet meadow is a semi- Wetland Meadow which is saturated with Water throughout much of the year It is found in Europe and the circumpolar region up to mountainous heights. Its distribution is declining.
Toxicity
E. palustre is poisonous to herbivorous animals, but not to humans. In the context of Biology, poisons are substances that can cause damage, Illness, or Death to Organisms usually by Herbivory is a form of Predation in which an Organism, known as a herbivore, consumes principally Autotrophs ref name=Campbell>Campbell It contains a vitamin B1-destroying enzyme which makes horses tumble and the piperidine alkaloid palustrine, which can lame cattle. For the similarly spelled pyrimidine see Thymine Thiamin or thiamine, also known as Vitamin B1 Enzymes are Biomolecules that catalyze ( ie increase the rates of Chemical reactions Almost all enzymes are Proteins Piperidine is an Organic compound with the molecular formula (CH25NH This article is about the chemical compounds alkaloids For the Pharmaceutical company in the Republic of Macedonia see Alkaloid (company. Palustrine comes from the Latin word "palus" or Marsh. Both substances are stable for years.
External links
- Page at eFlores.org
- Equisetum palustre (TSN 17153). Integrated Taxonomic Information System. Integrated Taxonomic Information System ( ITIS) is a partnership designed to provide consistent and reliable information on the Taxonomy of biological Species
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