Hypocotylnoun
(botany) In plants with seeds, that portion of the embryo or seedling between the root and cotyledons.
Hypocotyl
The hypocotyl (short for , meaning ) is the stem of a germinating seedling, found below the cotyledons (seed leaves) and above the radicle (root).
Epicotylnoun
(botany) In plants with seeds, that portion of the embryo or seedling above the cotyledons.
Epicotyl
An epicotyl is important for the beginning stages of a plant's life. It is the region of a seedling stem above the stalks of the seed leaves of an embryo plant.