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cypsela

noun
cyp·​se·​la | \ ˈsipsələ\
plural cypselae\ -​ˌlē \

Definition of cypsela

: an achene developed from an inferior bicarpellary ovary fused with the calyx tube (as in the sunflower)

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History and Etymology for cypsela

New Latin, from Greek kypselē hollow vessel, chest, box; akin to Greek kyphos bent, crooked

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