plural noun
Het·​ero·​ba·​sid·​i·​ae | \ ˌhetərōbəˈsidēˌē\

Definition of Heterobasidiae

in some classifications
: a subclass of Basidiomycetes comprising fungi with a basidium that is transversely or vertically septate or forked or has four rounded terminal cells from each of which a sterigma and spore arise and including Tremellales and other orders or being restricted to the order Tremellales — compare eubasidiae , teliosporeae

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History and Etymology for Heterobasidiae

New Latin, from heter- + -basidiae (from basidium)

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to gather or build up little by little

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