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 Charles Darwin

Two more ounces were added, and the 14 ounces were lifted up to a very little height, and then the epicotyl yielded and bent to one side.

From The Power of Movement in Plants by Charles Darwin

We may therefore conclude that the epicotyl circumnutates whilst still arched and before it has grown tall enough to break through the surface of the ground.

From The Power of Movement in Plants by Charles Darwin

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 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