PERISPERM

perisperm

(noun) the nutritive tissue outside the sac containing the embryo in some seeds

Source: WordNet® 3.1

Etymology

Noun

perisperm (plural perisperms)

(biology) The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

Source: Wiktionary

Per"i*sperm, n. Etym: [F. périsperme. See Peri-, and Sperm.] (Bot.)

Definition: The albumen of a seed, especially that portion which is formed outside of the embryo sac.

– Per`i*sper"mic, a.

Source: Webster’s Unabridged Dictionary 1913 Edition

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