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See list of 2 species in this genus

Reference: Smith (1993).

  • 1a. Basal leaflets mostly 10–20 cm long, connected to the adjacent pair by a wing; scales on costae narrowly lanceolate, white to light brown, usually 3–5 cells wide at the base; larger leaflets with evidently lobed segments; middle leaflet veins forked or pinnate
  • 1b. Basal leaflets mostly 3–10 cm long, not connected to next pair; scales on costae ovate-lanceolate, brown, usually 6–12 cells wide at the base; larger leaflets with entire or crenate segments; middle leaflet veins often simple

 Show photos of:   Each photo represents one species in this genus.