Invertebrate with a floral eponym (7)

I believe the answer is:

anemone

(Other definitions for anemone that I've seen before include "Colourful plant of buttercup family" , "Flower related to the buttercup" , "Plant; sea creature" , "Brightly coloured flower or tube-shaped sea creature" , "White woodland flower" .)

I've seen this clue in The New York Times.

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