plural noun As·ter·ox·y·la·ce·ae \ˌastəˌräksəˈlāsēˌē\

Definition of Asteroxylaceae

  1. :  a family of Paleozoic plants (order Psilophytales) having a xylem that is star-shaped in cross section

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Origin and Etymology of asteroxylaceae

New Latin, from Asteroxylon, type genus (from aster- + -xylon) + -aceae

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feeling or affected by lethargy

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