Word Study
cypsela
CIDE DICTIONARY
cypsela, n. [NL., fr. Gr. kypse`lh any hollow vessel.].
A one-seeded, one-celled, indehiscent fruit; an achene with the calyx tube adherent. [1913 Webster]
OXFORD DICTIONARY
cypsela, n. (pl. cypselae) Bot. a dry single-seeded fruit formed from a double ovary of which only one develops into a seed, characteristic of the daisy family Compositae.
Etymology
mod.L f. Gk kupsele hollow vessel
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