- any small, dry, hard, one-seeded, indehiscent fruit.
Origin of achene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for achene
Name from , a bug, and , resemblance; from the form of the achene.
Calyx 6-parted or -cleft, colored, persistent about the achene.
Fruit usually an achene, compressed or 3–4-angled or -winged.
Compared with U. dioica, this achene is thinner and shorter.Seeds of Michigan Weeds
W. J. (William James) Beal
Achene triangular, pointed with the persistent base of the style.
- a dry one-seeded indehiscent fruit with the seed distinct from the fruit wall. It may be smooth, as in the buttercup, or feathery, as in clematis
C19: from New Latin achaenium that which does not yawn or open, from a- 1 + Greek khainein to yawn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A small, dry, one-seeded fruit in which the seed sits free inside the hollow fruit, attached only by the stem of the ovule. Achenes are indehiscent (they do not split open when ripe). The fruits of the sunflower and elm are achenes.
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