siphonostele

(redirected from siphonostelic)
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siphonostele

(sī-fŏn′ə-stēl′, sī′fə-nə-stē′lē)
n.
A stele in which the vascular tissue is in the form of a cylinder surrounding the pith, as in the stems of most ferns and other seedless vascular plants.

si·phon′o·ste′lic (-stē′lĭk) adj.