Hypocotyl

Diagram of Scouler's willow (Salix scouleriana) seed, indicating position of hypocotyl.

The hypocotyl (short for "hypocotyledonous stem",[1] meaning "below seed leaf") is the stem of a germinating seedling, found below the cotyledons (seed leaves) and above the radicle (root).

  1. ^ "hypocotyl". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)