sympodia

from The Collaborative International Dictionary of English v.0.48
Sympodium \Sym*po"di*um\, n.; pl. {Sympodia}. [NL., fr. Gr. sy`n
   with + ?, dim. of ?, ?, foot.] (Bot.)
   An axis or stem produced by dichotomous branching in which
   one of the branches is regularly developed at the expense of
   the other, as in the grapevine.
   [1913 Webster]
    

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