hy·po·cot·yl (h  p -k t l)n. The part of the axis of a plant embryo or seedling plant that is below the cotyledons. [hypo- + cotyl(edon).] |   germination of a bean seed |
hypocotyl [ˌhaɪpəˈkɒtɪl]
n
(Life Sciences & Allied Applications / Botany) the part of an embryo plant between the cotyledons and the radicle
[from hypo- + cotyl(edon)]
hypocotylous adj
| hypocotyl (hp-ktl) The part of a plant embryo or seedling that lies between the radicle and the cotyledons. Upon germination, the hypocotyl pushes the cotyledons above the ground to develop. It eventually becomes part of the plant stem. Most seed-bearing plants have hypocotyls, but the grasses have different, specialized structures. |
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