coleorhiza

enUK

co·le·o·rhi·za

C0473700 (kō′lē-ə-rī′zə, kŏl′ē-)n. pl. co·le·o·rhi·zae (-zē) A protective sheath enclosing the embryonic root of grasses.

[New Latin : Greek koleon, sheath; see kel- in Indo-European roots + Greek rhiza, root; see wrād- in Indo-European roots.]

coleorhiza

(ˌkɒlɪəˈraɪzə) or

coleorrhiza

n, pl -zae (-ziː) (Botany) a protective sheath around the radicle in grasses[C19: from New Latin, from Greek koleon sheath + rhiza root]

co•le•o•rhi•za

(ˌkoʊ li əˈraɪ zə, ˌkɒl i-)

n., pl. -zae (-zē). the sheath that encloses the primary root in embryonic grasses. [1865–70; < New Latin < Greek koleó(n) sheath, scabbard + rhíza root¹]

Coleorhiza

coleorhiza

[‚kō·lē·ə′rīz·ə] (botany) The sheath surrounding the radicle in monocotyledons.

Coleorhiza

a calyptrate sheath that surrounds the primary root, enclosed in the seed of a plant. It performs a protective function. The coleorhiza is characteristic of cereal grains; it is also present in eucalypti. The growing rootlets rupture the seed (caryopsis), causing it to sprout.

单词	coleorhiza
释义	coleorhiza enUK co·le·o·rhi·za C0473700 (kō′lē-ə-rī′zə, kŏl′ē-)n. pl. co·le·o·rhi·zae (-zē) A protective sheath enclosing the embryonic root of grasses. [New Latin : Greek koleon, sheath; see kel- in Indo-European roots + Greek rhiza, root; see wrād- in Indo-European roots.] coleorhiza (ˌkɒlɪəˈraɪzə) or coleorrhiza n, pl -zae (-ziː) (Botany) a protective sheath around the radicle in grasses[C19: from New Latin, from Greek koleon sheath + rhiza root] co•le•o•rhi•za (ˌkoʊ li əˈraɪ zə, ˌkɒl i-) n., pl. -zae (-zē). the sheath that encloses the primary root in embryonic grasses. [1865–70; < New Latin < Greek koleó(n) sheath, scabbard + rhíza root¹] Coleorhiza enUK coleorhiza [‚kō·lē·ə′rīz·ə] (botany) The sheath surrounding the radicle in monocotyledons. Coleorhiza a calyptrate sheath that surrounds the primary root, enclosed in the seed of a plant. It performs a protective function. The coleorhiza is characteristic of cereal grains; it is also present in eucalypti. The growing rootlets rupture the seed (caryopsis), causing it to sprout. coleorhiza enUK coleorhiza a structure similar to the COLEOPTILE but located around the radicle of young seedlings.
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