EQUISETUM BOGOTENSE PDF

EEB Greenhouse Accession Data for Equisetum bogotense. M Equisetum bogotense Kunth is an accepted name. This name is the accepted name of a species in the genus Equisetum (family Equisetaceae). The record. Image of Equisetum bogotense. Equisetum bogotense Trusted. Creative Commons to this page yet. Explore what EOL knows about Equisetum bogotense.

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Andean horsetail Andean horsetail Scientific classification Kingdom: Observations were made with optical microscopy with differential interference contrast bogorense technique DICtransmission and scanning electron microscopy TEM and SEM.

Equisetum bogotense {Equisetaceae} Andean Horsetail, Cola de caballo

This volume contains a monograph of the genus Zapoteca Calliandra amongst other things. This fern -related article is a stub. Specimens were collected from to m in Cauca, Colombia.

It can be downloaded from the Internet. Viewed with TEM, the exospore is a equksetum layer of fine granular material, while perispore is a thinner layer of dense, separate orbicules. Therefore, a detailed study of the sporogenesis process and spore development in E.

The Andean horsetail Equisetum bogotense is a herbaceous perennial that reproduces through spores.

[Sporogenesis and spores of Equisetum bogotense (Equisetaceae) from mountain areas of Colombia].

Also in the Galapagos Islands. The sporocytes quickly undergo meiosis, by passing the stage of archesporium and give origin to tetrads of spores.

Viewed with SEM, the exospore is smooth to rugulate, with micro perforations, while the perispore is muriform, rugate, with narrow, delicate, discontinuous, randomly distributed folds delimiting incomplete, irregular areolae, externally covered by of different size, densely distributed orbicules. By using this site, you agree to the Terms of Use and Privacy Policy. These orbicules are also found all over the external face and margins of the elaters, equisetu the internal face is smooth and lack orbicules.

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This page was last edited on 23 Novemberat Spores present several cytological changes that allow them to achieve greater size and increase the number of plastids, before reaching the adult stage.

Now containing plants. The tapetum loses histological integrity during early stages bogltense sporogenesis, intrudes as a plasmodial mass into the cavity of the sporangium, partially surrounding premeiotic sporocytes, and then, tetrads and adult spores. If you would like to support this site, please consider Donating.

Articles with ‘species’ microformats Wikipedia articles needing clarification from July All stub articles. From Wikipedia, the free encyclopedia.

Equisetum bogotense – Useful Tropical Plants

Last update on Comments have to be approved before they are shown here. Et al Website http: Strobili at different maturation stages were fixed, dehydrated, embedded in resin, and ultra-microtome obtained sections were stained with Toluidine blue. If you have any useful information about this plant, please leave a comment. According to a recent study, bootense this species may be the most isolated of all the genus, being more closely related with fossil Equisetums rather than living ones.

Retrieved from ” https: American Journal of Botany. It is made into a tea for treating waist-area ache[ Title The Ethnobotany of Chinchero.

Tropical Plants Database, Ken Fern. Studies on some reproductive traits in Equisetum species are scarce and valuable to understand species distribution. Immature sporocytes spore mother cells are tightly packed within the young sporangia.

Mainly eequisetum terse list of plants, but it contains some information on plant uses. Ultrathin sections microm for TEM observations were stained with uranyl acetate and lead citrate; while samples for SEM observations, were fixed, dehydrated in 2. It is suggested that the processes of ontogeny and characters of the sporoderm are relatively constant in Equisetum; however, sporogenesis in E.

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The plant occasionally invades abandoned cultivated fields in its native range[ Title American Fern Journal Vol. It has equisetuj less bushy [ clarification needed ] whorled branches, and a silica equiseutm rhizomatous stem, which roots grow out of, under ground. Flowering plants Photograph by: You can help Wikipedia by expanding it.

Sporoderm includes three layers external to the cytoplasmic membrane of the spore cell, and they are pseudoendospore, exospore and perispore. Close-up of the flowering stems Photograph by: Year ISBN Description Includes articles on the commercial uses inclusing medicinal of ferns in Central America and the cultivation of the genus Dryopteris. The tapetum disintegrates towards the end of the sporogenesis, leaving spores free within the sporangial cavity.

This stem is a dull dark brown color with glabrous growth aside from the sheathed segments. It cam be downloaded from the Internet. It is reputedly good for treating liver and kidney infection, colic, inflammations, and rheumatism; and is also used as a vaginal wash[ Title American Fern Journal Vol.

Evolution of horsetails Equisetales within the major euphyllophyte clade Sphenopsida”. Views Read Edit View history.