1) Cycad family 2) Family cycadaceae 3) Gymnosperm family 
(from the article `cycadophyte`) ...present; woody, coniferous plants with compound leaves, simple cones; flagellate motile male gametes; stout, fleshy stems; 4 families currently ...
Cycadaceae (Cycads) are a family of gymnospermous plants, resembling palms in their general appearance, and, as a rule, increasing by a single terminal bud. The leaves are large and pinnate, and usually rolled up when in bud like a crosier. The microscopic structure of the wood as well as the general structure of their cones ally them with the coni...
[n] - ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
family Cycadaceae noun ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids