Origin of achene
Examples from the Web for achene
Achene flattened, linear-oblong, beaked with the long persistent style.
Compared with U. dioica, this achene is thinner and shorter.Seeds of Michigan Weeds|W. J. (William James) Beal
Fruit an achene, buried in the greatly enlarged fleshy calyx.
Achene obtusely triangular, partly 3-celled, enclosed in the indurated calyx.
Ovary 1-celled with a suspended ovule, becoming an achene; calyx none; aquatic herbs, with finely dissected whorled leaves.