Alethopteris-like leaflets
leaflets rather long and relatively narrow
in the upper part of a partial frond decurrent and confluent
in the lower part less decurrent, sometimes even contracted at the base
leaflets up to 4 cm long and rather wide (up to 9 mm)
leaflets with convex sides and a nearly blunt apex
leaflets small, with blunt apex
rather closely spaced
leaflets small (up to 3 cm) and very narrow (about 3 mm)
veins relatively widely spaced
leaflets elongated triangular to lanceolate, vaulted and obliquely attached
strikingly clear, loose, a bit flexuous veins
leaflets mostly constricted at the base, sometimes decurrent
midvein ending near the top
secondary veins (almost) perpendicular to the border
