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Webster 1913 Edition

(rȧ-dĭk′ū̍-lōsˊ)

Adj.

(Bot.)

Producing numerous radicles, or rootlets.

radiculose ‎(comparative more radiculose, superlative most radiculose)

Producing many rootlets or radicles.
Look at all the rootlets on this plant! It's absolutely radiculose.