trə adjective
Botany. (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To orthotropous
Collins
World English Dictionary
orthotropous (ɔːˈθɒtrəpəs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| Compare anatropous (of a plant ovule) growing straight during development so that the micropyle is at the apex | |
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
00:10
Orthotropous
is always a great word to know.
So is antheridia. Does it mean:
| phase in plant life which starts with a zygote produced by sexual reproduction |
| male reproductive structure which produces gametes in ferns, mosses, fungi and algae |
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