Ferns do not produce flowers. They were around prior to the evolution of the flowering plants (angiosperms). The fertile pinnae compromise the upper quarter of the frond.
Fruit
spores
Leaves
with age will form a tussock-like base, frond is bipinnate and the segments are oblong spaced apart on the pinna rachis
Stems
rootstock is semi-erect, covered with dark brown old withered stems
Dimensions
over 4-5 feet tall
Propagation
spores, division
Native Site
Found growing on every continent except Australia.
Notes & Reference
#80-A Field Guide to Ferns (Boughton Cobb) , #90-Ferns for American Gardens (John T Mickel)