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单词 achene
释义

achene

/əˈkiːn /
noun Botany
A small, dry one-seeded fruit that does not open to release the seed.Fruits of this species are glabrous achenes, with sepals modified into plumose bristles and are frequently wind-dispersed....
  • Seed set was estimated as the percentage of cross-pollinated flowers that produced achenes (one-seeded fruits).
  • After fertilization, several achenes are produced per capitulum, and seeds are wind-dispersed.

Origin

Mid 19th century: from modern Latin achaenium, derived irregularly from a- 'not' + Greek khainein 'to gape'.

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更新时间:2024/12/23 5:43:38