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Pterydophyta

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Postby Poison » Tue Jun 14, 2005 7:17 pm

I made a search in the web. I found results in my language. Maybe the old name of it is DIVISIO. It may be called DIVISION now.

EDIT:

I've seen that term here too:
http://www.dutchflowerlink.nl/engels/fl ... lature.htm

It seems that both DIVISIO and DIVISION is correct. Have a look at that:
http://herbarium.usu.edu/3400taxonomic_hierarchy.htm
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Postby MrMistery » Tue Jun 14, 2005 9:16 pm

Opps... Guess you are right.. We apologise... Please forgive us :lol:
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Postby Poison » Wed Jun 15, 2005 4:55 pm

No problem, Kids... :P :lol:
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Postby victor » Sat Jun 18, 2005 8:39 am

Hey seniors, why do all of you talking about taxonomy?
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Postby MrMistery » Sat Jun 18, 2005 5:33 pm

The discussion evolved...
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Re: Pterydophyta

Postby faisa » Mon Dec 31, 2012 7:21 am

they need water for fertilisation.no flowers main plant body is sporophytic and
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Re: Pterydophyta

Postby dollydesoza » Sun Aug 04, 2013 12:52 pm

The Pteridophyta Divsion contains ferns. Ferns are plants with leaves, roots, and stems; but they do not have flowers like most plants. Ferns have special stems, called rhizomes, which grow sideways at the surface or underground. Many leaves grow from rhizomes and make fern colonies. Fern leaves are called fronds. Fronds have a petiole (leaf stalk) and blade (main part of leaf). Each leaf has smaller leaflets called pinnae. Instead of flowers, ferns have sori, which grow directly on leaves. Sori make spores, which travel by wind, water, or animal to new locations where new fern colonies can begin. Since they spread by spores, ferns do not have flowers, pollen, fruits, or seeds.
Last edited by JackBean on Fri Jan 31, 2014 10:51 am, edited 1 time in total.
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