Cycadicae

Cycadicae

[sī′kad·ə‚sē] (botany) A subdivision of large-leaved gymnosperms with stout stems in the plant division Pinophyta; only a few species are extant.

Cycadicae

 

(also Cycadophytina), a subphylum of gymno-spermous plants that includes three classes: Lyginopteridopsida, Cycadopsida, and Bennettitales.