epicotyl

[ ep-i-kot-l, ep-i-kot-l ]

noun

, Botany.

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

epicotyl

/ ˌɛpɪˈkɒtɪl /

noun

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

epicotyl

/ ĕp′ĭ-kŏt′l /

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

Word History and Origins

Origin of epicotyl¹

1875–80; epi- + Greek kotýlē cup

Word History and Origins

Origin of epicotyl¹

C19: from epi- + Greek kotulē; see cotyledon

Example Sentences

After the cotyledons have attained full length, growth in thickness begins in the area nearest the epicotyl and proceeds toward the margins.

From Project Gutenberg

The part bearing the tiny leaves was formerly, and is sometimes now, called the plumule, but is generally called the epicotyl, because it grows above or upon the cotyledons.

From Project Gutenberg

This is the epicotyl, and another growing tip pointed toward the lower end of the kernel; this is the hypocotyl or the part which penetrates the soil and forms roots.

From Project Gutenberg

The pea cotyledons were left down in the soil, the epicotyl alone pushing up to the surface.

From Project Gutenberg

Bean with one cotyledon removed, after sprouting had begun. a, Seed-coat; b, cotyledon; c, epicotyl; d, hypocotyl; e, endosperm.

From Project Gutenberg