the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
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How to use coleorhiza in a sentence
The sheath which envelopes the radicle is called coleorhiza and that of the plumule, pileole or germ-sheath.A Handbook of Some South Indian Grasses | Rai Bahadur K. Ranga Achariyar
British Dictionary definitions for coleorhiza
a protective sheath around the radicle in grasses
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012