Plants 3–15 cm tall, with 1–4 fronds; usually colonial. Rhizome erect, short, tuberous; roots few, brittle, spreading, sometimes with vegetative buds. Stipe fleshy, partly below ground, not persistent. Lamina 1–4 cm long, somewhat fleshy, lanceolate, lanceolate-ovate to short-elliptic; base narrowing to long-cuneate, but sometimes broadly cuneate; veins often indistinct, forming network of areoles, some including free vein endings. Spike 5–15 mm long, on stalk up to 8 cm long, growing from base of sterile lamina; 6–15 pairs of sporangia per spike.