perisperm

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perisperm

a nutritive tissue found in some seeds that is derived from the NUCELLUS of the ovules.
References in periodicals archive ?
Other nucellar and chalazal structures, such as hypostase, perisperm, and chalazosperm, are regarded as being of some systematic significance in monocotyledons and are used as characters in analyses.
Proximal nucellar structures include the hypostase, postament, podium, and perisperm.
24) there is a massive proximal chalazal region (see perisperm, below).