Plants heterosporous; rhizomes extended-creeping, slender, glabrous or hairy; leaves with two or 4 leaflets within the petiole suggestion or missing a blade completely, the venation of leaflets dichotomously branching; sori enclosed in stalked bean-shaped sporocarps (very modified leaves), these quite elaborate internally, Every single made up of each megasporangia and https://elliottltbgn.boyblogguide.com/35616431/an-unbiased-view-of-balloon-arch-frame