Ophioglossum convexum J.E.Burrows

Rhizome elongate, 5-25 mm long with or without a few persistent petiole bases. Roots proliferous. Leaves one, rarely two, held at 0-30° from die horizontal, just above or appressed to the ground. Petiole 6-25 mm long, 60-90% of its length subterranean. Sterile lamina convex above, ovate to broadly ovate, broadly acute to obtuse and shortly apiculate, base broadly cuneate to truncate, venation obscure. Fertile spike 30-100 mm long, inserted at, or just below, the sterile lamina base, 6-15 pairs of sporangia, apex acute to shortly apiculate.