Nearby Words
noun, plural pro·to·ne·ma·ta 
[-muh-tuh] . Botany.
[-muh-tuh] . Botany. a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs arises as a lateral or terminal shoot.
Related forms
pro·to·ne·mal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To protonema
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Protonema
is always a great word to know.
So is seedless vascular plant. Does it mean:
| organisms having pairs of homologous chromosomes |
| plants with true roots, stems and leaves dispersed by spores because they don't produce seeds |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
| protonema (prō'tə-nē'mə) Pronunciation Key
Plural protonemata (prō'tə-nē'mə-tə, -něm'ə-) The green filamentous or flat, thallus-like structure that grows from the germinated spores of liverworts and mosses and eventually gives rise to a mature gametophyte. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Word Dynamo Rating For Protonema
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