perisperm

noun peri·sperm \ˈperəˌspərm\

Definition of perisperm

  1. 1 :  nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac —distinguished from endosperm

  2. 2 :  nutritive tissue of a seed that includes both endosperm and perisperm —not used technically

perispermal

or

perispermic

\-mik\ adjective

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Origin and Etymology of perisperm

French périsperme, from péri- peri- + -sperme -sperm


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