Question

what do you understand by the terms : hypocotyl and epicotyl? in which type of angiospermic plant are they found?

Answer 1

Epicotyl: It is the part of embryonal axis in between plumule and cotyledonary node.The terminal end of epicotyl is plumule.

hypocotyl : It is the part of embryonal axis in between cotyledonary node and radicle.The terminal end of hypocotyl is radicle.

Answer 2

The part of embryo axis between radicle and attachment of cotyledon leaves is known as hypocotyl.
The part of embryo axis between plumule and attachment of cotyledon leaves is called epicotyl.