In botany, lacking an arillus or aril (a seed covering or fleshy appendage that grows around certain seeds).
From Latin 'ex-' (without) + 'arilla' (small ear or appendage) + '-ate' (adjective suffix); botanical terminology developed as botanists categorized different seed types.
While some plants like pomegranates wrapped their seeds in special juicy jackets (arils) to spread them via animals, exarillate seeds said 'no thanks' and went naked—equally successful, just different strategies.
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