spermoderm

[…] The general covering of the seed is called spermoderm (σπέρμα, seed, and δέρμα, covering). […] The Spermoderm usually consists of two parts, an external membrane, called the episperm or testa (ἐπί, upon, or on the outside, and σπέρμα, a seed, or testa, a shell), and an internal membrane, called endopleura (ἔνδον, within, and πλευρά, side).