avens noun. ['eɪv(ǝ)nz] ME.
[Old French avence = medieval Latin avencia, of unkn. origin.]
Any of a number of rosaceous plants belonging to the genus Geum or a related genus.
mountain avens a creeping alpine, Dryas octopetala, bearing white flowers. water avens Geum rivale, bearing bell-like flowers having dull pink petals and a purple calyx. wood avens Geum urbanum, bearing small yellow flowers; also called herb bennet.

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