Equisetum myriochaetum (Giant Horsetail) – This prehistoric remnant is among the tallest of the living horsetails. Given optimum conditions, which includes a. Descriptions and articles about Equisetum myriochaetum in the Encyclopedia of Life. Includes Overview; Brief Summary; Comprehensive Description;. Taxonomy. Morphology Equisetum myriochaetum has. Stems – (- ) cm x 7 mm, with 16 – 44 ridges; Branches regularly in whorls. branches

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However, this is certainly not why this trait evolved. However, there are a number of characteristics which can be used to distinguish them:. Retrieved from ” https: Qeuisetum by size, origins, color, cultural needs, etc.

You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. For this reason, horsetails such as E. These factors have led to overestimation in the past.

About alieyres Budding botanist at the University of Reading. It also may explain why the horsetails have been so successful. The results demonstrate clearly that the phytotherapeutic extract from Equisetum myriochaetum, under the experimental conditions tested, is not genotoxic in the in vivo experiments or in the in vitro studies. The tallest of the extant horestails are the giant horsetail Equisetum giganteum and the Mexican giant horsetail Equisetum myriochaetum of Central and South America.

They reproduce sexually by the production of spores but also asexually by rooting rhizomes or stem pieces [7]. Stomata are in bands of Understanding how these groups of plants are related to one another is crucial to understanding two pivotal events in the evolution of land plants; the evolution of a vascular system and the evolution of seed-bearing plants.

They thrive in nutrient poor soils and their deep, wide-ranging rhizomes can make control difficult to impossible. The concentrations assayed for these experiments ranged from So what about keeping you warm in winter? Under the microscope you can see that each spore has 4 legs or elaters that curl and uncurl in response to changes in the atmospheric water content.

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The main constituents of the phytoextract are flavonol glycosides kaempferolphytoesterols and carbohydrates. There is something to be said for these little plants.

File:Equisetum myriochaetum, the Giant Horsetail (11310017733).jpg

Like all horsetails, Equisetum myriochaetum grows well in wet fertile areas and they are often found growing in tropical forests alongside streams and swamps. Horsetails show promise as ground covers for dikes, road cuts, abandoned strip mines and equisefum bare areas.

As new techniques and data become available scientists have changed their mind about how the early vascular plants, which include the ferns, horsetails and lycopsids are related to each other.

The Drosophila wing somatic mutation and recombination test SMART was applied myriochadtum the standard version with basal biotransformation activity as well as in a variant version with increased cytochrome Pdependent bioactivation capacity.

Hypoglycemic effect of Equisetum myriochaetum aerial parts on type 2 diabetic patients.

Some thoughts on Equisetum arvense Culham Research Group. We received our equiswtum on this plant from Monterey Bay Nursery who received it from the University of California, Berkeley – their accession listed it as collected in Veracruz, Mexico. Fossil evidence shows that they were a dominant part of the flora during the carboniferous period both in terms of species number and size [2].

This file is licensed under the Creative Commons Attribution 2. It is likely that the silicates have something to equisetumm with structural support as well as physical protection against pathogens.

These two species are known to reach heights of 16 ft. This relatively small jump is enough to allow spores on the ground to be caught by the wind enabling further dispersal [9]. All horsetails are deep-rhizomed and spread rapidly. As well as being found in the Reading University tropical glasshouseEquisetum myriochaetum grows natively in south and Central America between Mexico and Peru [7].


Given optimum conditions, which includes a frost free location with ample myriocyaetum and rich soil, this subtropical plant is evergreen and can grow to an astonishing 15 feet tall and in some reported cases to 24 feet although plants attaining this height were likely stems supported by other vegetation.

Today, however, they have been reduced to mostly small, lanky plants. Commonly known as scouring rush the horsetails have been used by early pioneers in America as well as desperate squisetum today to clean pans. However, Pryer et al. Equisetum myriochaetum, the Giant Horsetail.

This may be attached to the photosynthetic stem or it can arise as its own non-photosynthetic stem. Sorry, your blog cannot share posts by email.

Ancient Equisetum — In Defense of Plants

Could it be a characteristic that has allowed the horsetails to survive for so long and have such a wide range? From Wikimedia Commons, the free media repository.

All gardeners and allotment holders are familiar with horsetails and the problems of eradicating them from their land. Instead, they produce spores and exhibit a distinct alternation of generations between the small, gamete-producing gametophyte and the tall spore-producing sporophyte.

By using this site, you agree to the Terms of Use and Privacy Policy. Much of the world’s coal deposits are derived from these plants. They tend to absorb heavy metals, and so may be useful as biological monitors of water or soil contamination by zinc, cadmium and lead.

The horsetails are known for their biomineralisation of silica, earning some the common name of “scouring rush. Whenever you cross paths with an Equisetumyou are looking at a member of the sole surviving genus of a once great lineage.

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