1. Noun.  (botany) The cupulate fruiting body borne upon the mycelium of certain fungi commonly parasitic upon specimina of the ''Compositæ'', ''Labiatæ'', ''Leguminosæ'', and ''Ranunculaceæ'' families.
  2. Noun.  (mycology) A member of the form genus ''Aecidium''.

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This entry was last updated on RefTopia from its source on 3/20/2012.