monopodium

noun
mono·​po·​di·​um
plural monopodia\ -​ēə \

Definition of monopodium

: a main or primary axis that continues its original line of growth giving off successive axes or lateral branches (as in the excurrent trunk of some coniferous tree) — compare sympodium

History and Etymology for monopodium

New Latin, from mon- + -podium

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