The genus Sirodotia has been recognized by the two important reproductive characters such as asymmetrical carpogonium in the gametophyte and indeterminate / indistinct gonimoblast filament in the carposporophyte.
2.
They also show a triphasic lifecycle, consisting of a gametophyte ( n ) ( dioecious ), carposporophyte ( 2n ), and the sporophyte ( 2n ).
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