achene (redirected from Utricle (fruit))

a·chene also a·kene  (-kn) n. A small, dry, indehiscent one-seeded fruit with a thin wall, as in the sunflower. [New Latin achnium : Greek a-, without; see a-1 + Greek khainein, to yawn.] a·cheni·al (-n-l) adj.

achene left to right: sunflower, dandelion, and swamp beggar ticks

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achene, akene [əˈkiːn]

n

(Life Sciences & Allied Applications / Botany) 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

[from New Latin achaenium that which does not yawn or open, from a-¹ + Greek khainein to yawn]

achenial , akenial adj

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achene also akene  (-kn)

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.

Thesaurus

Noun

1.

achene - small dry indehiscent fruit with the seed distinct from the fruit wall key fruit, samara, key - a winged often one-seed indehiscent fruit as of the ash or elm or maple fruit - the ripened reproductive body of a seed plant