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..2 Pinnae 1-8 pairs, often with proliferous buds in the axils; petiole 0.5-1× as long as the leaf blade, pubescent above and below; indusia attached at the sinus
..2 Pinnae 0-1 (-2) pairs, lacking proliferous buds in the axils; petioles 1-3× as long as the leaf blade, pubescent above only; indusia peltate
....3 Indusia peltate; pinnae cordate at the base; rachis and midvein pubescent above only
....3 Indusia attached at the sinus; pinnae oblique at the base; rachis and midvein pubescent above and below