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

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 Darwin, Charles

Had the bean been properly planted, the part of the epicotyl to which the filament was attached, the Fig.

From The Power of Movement in Plants by Darwin, Charles

For instance, with the common bean, the epicotyl or plumule is bowed into an arch whilst breaking through the seed-coats, as shown in Fig.

From The Power of Movement in Plants by Darwin, Charles

This bean had germinated on bare damp sand, and the epicotyl began to straighten itself much sooner than would have occurred if it had been properly planted.

From The Power of Movement in Plants by Darwin, Charles

This movement facilitates the withdrawal of the tip of the epicotyl or of the cotyledons, as the case may be, from within the seed-coats and from the ground.

From The Power of Movement in Plants by Darwin, Charles