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- Dictionarycoleorhiza/ˌkɒlɪə(ʊ)ˈrʌɪzə/
noun
- 1. a sheath protecting the root of a germinating grass or cereal grain.
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The coleorhiza or root sheath is a protective layer of tissue that surrounds the radicle (the embryonic primary root) in monocotyledon seeds. [1] During germination, the coleorhiza is the first part to grow out of the seed, growing through cell elongation.
The meaning of COLEORHIZA is the sheath investing the radicle in some monocotyledonous plants through which the roots emerge.
Coleorhiza is a sheath-like structure connecting the coleoptile to the primary root, defending the radicle in monocots while the coleoptile is a pointed protective sheath covering the emerging shoot in monocots.
The coleorhiza, coleorrhiza or root sheath is a layer of tissue that surrounds the root in the monocot seed. It is a protective layer around the rootcap and the root. The coleorhiza is the first part to grow out of the seed.
Coleorhiza definition: the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.. See examples of COLEORHIZA used in a sentence.
A protective sheath around the radicle in grasses.... Click for English pronunciations, examples sentences, video.
The coleorhiza (3) is the sheath covering the young root (radicle, 5). The endosperm (6) fills much of the seed and nourishes the seedling upon germination. The seed coat (7) surrounds the seed and protects it.
