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

In the evening the blinds were taken away, one by one. the course pursued by an epicotyl under these circumstances is shown in Fig.

From The Power of Movement in Plants by Darwin, Charles

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 Darwin, Charles

Another buried and arched epicotyl was observed in the same manner, excepting that the two legs of the arch were tied together with fine silk for the sake of preventing the great movement just mentioned.

From The Power of Movement in Plants by Darwin, Charles

Vicia faba: circumnutation of young epicotyl, traced in darkness during 50 hours on a horizontal glass.

From The Power of Movement in Plants by Darwin, Charles

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 Darwin, Charles