epicotyl

American  

[ep-i-kot-l, ep-i-kot-l] / ˌɛp ɪˈkɒt l, ˈɛp ɪˌkɒt l /

noun

Botany.

1. (in the embryo of a plant) that part of the stem above the cotyledons.

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epicotyl British  

/ ˌɛpɪˈkɒtɪl /

noun

1. the part of an embryo plant stem above the cotyledons but beneath the terminal bud

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epicotyl Scientific  

/ ĕp′ĭ-kŏt′l /

1. The stem of a seedling or embryo located between the cotyledons and the first true leaves.

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Etymology

Origin of epicotyl

1875–80; epi- + Greek kotýlē cup

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Example Sentences

See Examples For:

epicotyl

Citrus aurantium: circumnutation of epicotyl with a filament fixed transversely near its apex, traced on a horizontal glass, from 12.13 P.M. on Feb. 20th to 8.55 A.M. on 22nd.

From The Power of Movement in Plants by Charles Darwin

In some other cases the hypocotyl or epicotyl protrudes from the seed at first only slightly bowed; but the bowing afterwards increases independently of any constraint.

From The Power of Movement in Plants by Charles Darwin

When the cotyledons are hypogean, that is, remain buried in the soil, the hypocotyl is hardly developed, and the epicotyl or plumule rises in like manner as an arch through the ground.

From The Power of Movement in Plants by Charles Darwin

In consequence of this injury it had emitted near the hypogean cotyledons two secondary shoots, and it was remarkable that both of these were arched, like the normal epicotyl in ordinary cases.

From The Power of Movement in Plants by Charles Darwin

That an arched hypocotyl or epicotyl, with the two legs fixed in the ground, should be able to circumnutate, seemed to us, until we had read Prof. Wiesner's observations, an inexplicable fact.

From The Power of Movement in Plants by Charles Darwin

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