Caudex short, erect, its scales narrow, entire or with marginal teeth formed by outgrowths from single cells; fronds simply pinnate; rachis rounded on both surfaces in living plants, the lower surface bearing small scales and short erect multicellular hairs, upper surface almost glabrous; pinnae sessile, articulate to the rachis, subentire, their bases cordate at least on the basiscopic side (hastate on one species); unicellular glands lacking; veins free, arising from the costae of pinnae in paucipinnate groups, the lower veinlets not nearly reaching the margin; sori dorsal on lateral veinlets, in one to several irregular rows parallel to the costa; indusia peltate.
Pinnae jointed to rachis