epicotyls
/ˈɛpɪˌkɑtɪlz/
noun
- Plural of epicotyl; the parts of plant embryos or seedlings above the cotyledons.
- The epicotyls of different plant species vary in length and thickness.
- Students examined the epicotyls of germinated corn seeds under a microscope.
- The epicotyls of these seedlings are unusually long due to low light.