sympodial

adjective

sym·​po·​di·​al sim-ˈpō-dē-əl 

: having or involving the formation of an apparent main axis from successive secondary axes

sympodial branching of a cyme

Word History

Etymology

New Latin sympodium apparent main axis formed from secondary axes, from Greek syn- + podion base — more at -podium

First Known Use

1875, in the meaning defined above