cyathium

 
Pronunciation: /sʌɪˈaθɪəm/

noun (plural cyathia /-ɪə/)

Botany
  • the characteristic inflorescence of the spurges, resembling a single flower. It consists of a cup-shaped involucre of fused bracts enclosing several greatly reduced male flowers and a single female flower.

Origin:

late 19th century: modern Latin, from Greek kuathion, diminutive of kuathos 'cup'