coleorhiza

[ koh-lee-uh-rahy-zuh, kol-ee- ]

Phonetic (Standard)IPA

noun

, Botany.

, plural co·le·o·rhi·zae [koh-lee-, uh, -, rahy, -zee, kol-ee-].

the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.

coleorhiza

/ ˌkɒlɪəˈraɪzə /

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1865–70; < New Latin < Greek koleó ( n ) sheath, scabbard + rhíza root ¹

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C19: from New Latin, from Greek koleon sheath + rhiza root

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The sheath which envelopes the radicle is called coleorhiza and that of the plumule, pileole or germ-sheath.

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