Characterized by numerous leaflets or small leaves; extremely leafy or having abundant foliage.
From 'foliole' (small leaf) plus '-ose' (full of), creating an adjective meaning abundantly covered with small leaves.
Ferns are the champions of being foliolose—a single fern frond can have hundreds of individual leaflets arranged in perfect geometric patterns, and some ferns have millions of leaflets on a single plant.
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