hypocotyl

American  

[hahy-puh-kot-l] / ˌhaɪ pəˈkɒt l /

noun

Botany.

1. the part of a plant embryo directly below the cotyledons, forming a connection with the radicle.

---

hypocotyl British  

/ ˌhaɪpəˈkɒtɪl /

noun

1. the part of an embryo plant between the cotyledons and the radicle

---

hypocotyl Scientific  

/ hī′pə-kŏt′l /

1. 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.

---

Other Word Forms

Derived Forms

• hypocotylous
  adjective

Etymology

Origin of hypocotyl

First recorded in 1875–80; hypo- + cotyl(edon)

Example Sentences

Hypocotyle, or Hypocotyl, part of stem below the cotyledons, 11.

From The Elements of Botany For Beginners and For Schools by Gray, Asa