Chestnuthair Fern

Description

They are terrestrial plants; with short to long creeping rhizome, with trichomes and scales at the base; monomorphic leaves, small to large, scanned or erect, not articulated; petiole and atropurpure rachis, scattered to densely tricomatose to glandular, the rachis sometimes flexuous; pinnate-pinnatifid lamina at 5-pinnate, usually tricomatose or glandular; pinnas mostly at right angles to the rachis, rarely reflex; last segments mostly linear and generally with only one nerve; free nerves mostly ending before the margins in a marginal notch; sporangia along the nerves in the terminal segments, absent paraphyses, absent indusium , tetrahedral-globose spores.