Crops heterosporous; rhizomes lengthy-creeping, slender, glabrous or hairy; leaves with 2 or four leaflets in the petiole suggestion or missing a blade altogether, the venation of leaflets dichotomously branching; sori enclosed in stalked bean-shaped sporocarps (hugely modified leaves), these pretty sophisticated internally, Just about every made up of each megasporangia https://shanecimrv.wikipublicist.com/5491044/a_review_of_ballon_arch