Episperm
The Century Dictionary and Cyclopedia
noun.
In
botany
, the testa or outer integument of a seed. The figure shows the episperm, the endopleura, and the endosperm.
the GNU version of the Collaborative International Dictionary of English
noun.
The skin or coat of a seed, especially the outer coat. See
testa
.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The outer, protective layer of the
seed
of a
flowering plant
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
protective outer layer of seeds of flowering plants