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See also: Aecidium


Alternative forms[edit]


From New Latin aecidium, the diminutive form of Ancient Greek αἰκία (aikía, injury).[1] However Merriam-Webster takes the origin from the Greek οικιδιον and refers to the botanist John Hill, in his A General Natural History, or New and Accurate Descriptions of the Animals, Vegetables, and Minerals, of the Different Parts of the World, vol. II, A History of Plants (London: Printed for Thomas Osborne, 1751), p. 64: "We have called this genus, distinguished by its peculiar cells, Æcidium, from the Greek οικιδιον, cellula."[2]



aecidium (plural aecidia or aecidiums)

  1. The cupulate fruiting body borne upon the mycelium of certain fungi commonly parasitic upon specimens of the Compositae, Lamiaceae, Leguminosae, and Ranunculaceae families
  2. (mycology) A member of the form genus Aecidium.

Related terms[edit]


See also[edit]


  1. ^ æcidium” listed in the Oxford English Dictionary, second edition, 1989
  2. ^ [1] listed in the online Merriam-Webster. Retrieved 4 June 2018.