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  #1  
Unread 08-28-2011, 11:11 PM
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Join Date: Aug 2011
Posts: 44
Default words for seedlings that use cotyledons as seed leaves, as oppossed to not?

I once knew these words, or at least think I did.

I was at a website and they said a pea is an example of the later, that it's seed remains in the ground while a stem emerges. The website said this makes it a monocot, which I know is not correct.
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  #2  
Unread 08-29-2011, 12:36 AM
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Join Date: Dec 2007
Location: Las Vegas, NV
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From Wikipedia:

"The dicotyledons, also known as dicots, are a group of flowering plants whose seed typically has two embryonic leaves or cotyledons. There are around 199,350 species within this group. Flowering plants that are not dicotyledons are monocotyledons, typically having one embryonic leaf." Peas fall into this group.

Also: "According to the IUCN there are 59,300 species of monocots. The largest family in this group (and in the flowering plants as a whole) by number of species are the orchids (family Orchidaceae), with more than 20,000 species." Grasses and lilies are other examples of monocots.

Is that the information you're seeking?

Last edited by phalaephila; 08-29-2011 at 12:40 AM..
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  #3  
Unread 08-29-2011, 07:40 AM
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I think I have found the terms I want: A green bean is epigeal, the cotyledons emerge from the ground. while a pea is hypogeal, with subterranean cotyledons.

There is another set of terms for whether the cotyledons remain enclosed in the see covering (cryptocotylar) or are exposed (phanerocotylar)

i got this info from this pdf file:
www.ias.ac.in/resonance/May2008/p468-474.pdf
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