), hairy; leaves 2 to 4 periods pinnately compound, glabrous or hairy; sori largely marginal or submarginal, discrete or inside of a roughly uninterrupted line, the indusium cup-formed or lateral and elongate, occasionally also While using the segment margin reflexed; sporangia While using the annulus vertical; spores mainly trilete (tetrahedral-globose); https://balloon-arch-frame86420.wikistatement.com/4998172/the_fact_about_ballon_arch_that_no_one_is_suggesting