stichidium

noun
sti·​chid·​i·​um | \stə̇ˈkidēəm\
plural stichidia\ -​ēə \

Definition of stichidium 

: a special branch of the thallus of a red alga bearing tetraspores and often fusiform

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History and Etymology for stichidium

New Latin, from Greek stichidion small row, small line, diminutive of stichos row, line

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