Definition of Pucciniaceae
: a large important family of rust fungi (order Uredinales) having stalked teliospores either separate or united in sori, being mostly heteroecious, and exhibiting in the complete forms four spore stages usually upon two or more distinct hosts followed by an independent promycelial stage upon the germination of the teliospores — see puccinia — compare short-cycled
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Origin and Etymology of pucciniaceae
New Latin Puccinia, type genus + -aceae
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