), hairy; leaves 2 to 4 situations pinnately compound, glabrous or hairy; sori generally marginal or submarginal, discrete or in a very kind of uninterrupted line, the indusium cup-shaped or lateral and elongate, sometimes also While using the phase margin reflexed; sporangia Along with the annulus vertical; spores largely trilete https://balloon-arch-frame87420.tnpwiki.com/7011177/detailed_notes_on_ballon_arch