Plants deep green, ± elongate. Stems to ca. 6 cm; hairs dark. Leaves 1--1.5 cm. Blades of floating leaves almost round to elliptic, obtuse or notched at tip, rounded to cordate at base, abaxially (facing upward) with stiff hairs, with 4 separated branches (i.e., not fused at their tips), adaxially (facing into water) brown and pubescent with slender unbranched hairs. Venation obscure, areolate, but tips of veins free, ending short of margins. Sporocarps in clusters of 4--8, proximal sporocarps with up to 25 megasporangia, distal sporocarps with numerous microsporangia.
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