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

Author: Bragar Nazahn
Country: Libya
Language: English (Spanish)
Genre: Technology
Published (Last): 19 April 2016
Pages: 66
PDF File Size: 20.5 Mb
ePub File Size: 10.41 Mb
ISBN: 626-5-19843-954-8
Downloads: 88242
Price: Free* [*Free Regsitration Required]
Uploader: Taujind

However, this is certainly not why this trait evolved. Spores are produced from a cone-like structure at the top of the stem called a stobilus.

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

Retrieved from ” https: Commonly known as scouring rush the horsetails have been used by early pioneers in America as well as desperate campers today to clean pans.

Proudly powered by WordPress. High Water Needs Winter Hardiness: The horsetails are known for their biomineralisation of silica, earning some the common name of “scouring rush. Search by size, origins, color, cultural needs, etc. So-called because of their bristly appearance, the horsetails are an intriguing group of early plants that have existed since the Devonian period [1]. Historically, the ferns and horsetails were believed to be separate lineages.

Best in a container or with an area protected by a deep root barrier to check spread of the rhizomes. One Response to Horse tales: However, there are a number of characteristics which can be used to distinguish them:. It is likely that the silicates have something to do with structural support as well as physical protection against pathogens.

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.

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. Certainly an impressive site to see. The stems appear jointed with fine hair like green leaves in whorls sometimes accompanied by side branches that both emerge from sheaths at the stem nodes.


Equisetum myriochaetum – Botanics Stories

We received our stock eauisetum this plant from Monterey Bay Nursery who received it from the University of California, Berkeley – their accession listed it as collected in Veracruz, Mexico. As new techniques and data become available scientists have changed their mind about how the early vascular plants, which include the ferns, horsetails equlsetum lycopsids are related to each other. No acute toxicity of the phytoextract could be determined in Drosophila or in human lymphocytes in culture, ranging from 0.

Plant in full sun to light shade in a rich soil and keep moist.

File:Equisetum myriochaetum – NBGB – IMG 4322.JPG

The phylogenetic grouping of the land equusetum has been subject to a large amount of change over time and no grouping has gone unchallenged. Some thoughts on Equisetum arvense Culham Research Group. They reproduce sexually by the production of spores but also asexually by rooting rhizomes or stem pieces [7].

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. These two species are known to reach heights of 16 ft.

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

Qeuisetum way it is an interesting structure to encounter and well worth myriochaehum under some form of magnification.

There is something to be said for these little plants. Today it tends to be used to describe species that appear relatively unchanged from their ancestors in the fossil record. Despite the controversies over this term it is still interesting to question why horsetails appear to have changed relatively little since the carboniferous period: They tend to absorb heavy metals, and so may be useful as biological monitors of water or soil contamination by zinc, cadmium and lead.


It was reviewed on 2 August by FlickreviewR and was confirmed to be licensed under the terms of the cc-by Today the fauna are usually smaller and horsetails are smaller.

From Wikimedia Commons, the free media repository. If the myriochaeetum has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file.

The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. The ranges of exposure concentrations for these genotoxicity experiments were between 0. Habit and Cultural Information.

Equisetum giganteum Chad Husby for myriochetum. Like all horsetails, Equisetum myriochaetum grows well in wet fertile areas and they are often found growing in tropical forests alongside streams and swamps. The main constituents of the phytoextract are flavonol glycosides kaempferolphytoesterols and equiswtum.

Determining the number of species that exist in the Equisetaceae and how they are related to each other has been difficult because members exhibit a myriochaaetum amount of morphological plasticity and hybridisation occurs frequently.

The Equisetaceae comprise one remaining genus, Equisetum which is considered to have 2 sub-genera: The concentrations assayed for these experiments ranged from However, Pryer et al.

So what about keeping you warm in winter? The Drosophila wing somatic mutation and recombination test SMART was applied in the standard version with basal biotransformation activity as well as in a variant version with increased cytochrome Pdependent bioactivation capacity.

The high silicon content in their stems make them particularly good at scraping off dirt and polishing metal. Our coal deposits were formed from the vegetation that grew during the carboniferous period. Today, however, they have been reduced to mostly small, lanky plants.

Related Posts