Referring to seeds that lack a perisperm, the nutritive tissue surrounding the embryo.
From Greek 'a-' (without) + 'peri-' (around) + 'sperma' (seed). A botanical term describing seed structure.
Aperispermic seeds are trickier for plants—without the perisperm 'lunch pack,' the endosperm has to do all the work of feeding the growing seedling.
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