Horsetail Presentation

Horsetail Presentation - Horsetail Phylum Pteridophyta...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
“Horsetail” Phylum: Pteridophyta Genus: Equisetum By: Jacqueline Aguilar and Sandra Lara
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
History
Background image of page 2
TAXONOMY Kingdom: Plantae Phylum: Pteridophyta Class: Equisetales Family: Equisetaceae Genus: Equisetum Species: E. hyemale
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
History Seedless vascular plants that dominated the planet during the carboniferous period. (300-350 mya) Tree size horsetail fossils have been found on coal beds. Modern horsetail is shorter. Today only one genus remain: Equisetum and about 15species in the world restricted to moist places.
Background image of page 4
Alternation of Generation
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Types of Horsetail Stem can be branched or un-branched
Background image of page 6
Anatomy Independent sporophyte with true vascular tissue Sporophytes are ribbed, jointed stems Stems are hollow, contain silica deposits in epidermal cells Whorl of sacklike leaves at each stem node Leaves are one vein, united to form a sheeth around the stem, probably reduced megaphylls. Strobilus, cone like structure, bursts open
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/03/2012 for the course BIO 122 taught by Professor Chen during the Spring '11 term at CSU Dominguez Hills.

Page1 / 9

Horsetail Presentation - Horsetail Phylum Pteridophyta...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online