noun Sphe·nop·ter·is \-ptərə̇s\

Definition of Sphenopteris

  1. :  a form genus of Paleozoic fossil plants (order Cycadofilicales) based primarily on leaf blades with cuneate pinnules

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Origin and Etymology of sphenopteris

New Latin, from sphen- + -pteris

Seen and Heard

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feeling or affected by lethargy

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