Vegetation heterosporous; rhizomes lengthy-creeping, slender, glabrous or hairy; leaves with two or four leaflets for the petiole idea or missing a blade completely, the venation of leaflets dichotomously branching; sori enclosed in stalked bean-shaped sporocarps (extremely modified leaves), these quite complex internally, Every single that contains both of those megasporangia https://balloon-arch-frame97531.anchor-blog.com/17006528/the-definitive-guide-to-balloon-arch-frame