Heterogeneratae

plural noun
Het·ero·gen·er·a·tae | \ˌhetə(ˌ)rōˌjenəˈrät(ˌ)ē, -ˈrāt(ˌ)ē\

Definition of Heterogeneratae 

: a class of brown algae including those having two alternating generations unlike in vegetative structure, the larger sporophyte being often macroscopic and the smaller gametophyte usually microscopic — compare isogeneratae

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History and Etymology for Heterogeneratae

New Latin, from heter- + Latin generatae (feminine plural of generatus, past participle of generare to generate)

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