Piridion: nm A piridion, also called peridium or peridion (from the ancient Greek pridion "small bag", diminutive of pria which gives the Latin pera "bag"), is a complex fruit, made up of the floral receptacle that has become fleshy, welded to the 'ovary. It is a structure that we find when the flower has an inferior ovary adherent to the receptacle, as in the apple, the medlar or the pear.
This fruit is characteristic of plants with an inferior ovary of the Maloideae subfamily (family of R ...
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