Definition of Puccinia
: a very large genus (the type of the family Pucciniaceae) that is sometimes separated into four genera and consists of heteroecious parasitic fungi having 2-celled teliospores whose pedicels do not gelatinize and aecia with a pseudoperidium and including many forms that are destructive to various economic plants — see wheat rust
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Origin and Etymology of puccinia
New Latin, from Tommaso Puccini †1735 Italian anatomist + New Latin -ia
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