Pseudo-corm 3-lobed; bud scales few, triangular, acute, c. 2 x 2 mm, dark brown. Leaves 10-30, erect, 30-160 mm long, c. 3 mm at the base, tapering gradually to a slender point. Ligule fan-shaped, the distal margin wavy, wider than the base. Velum complete. Sporangium oblong-ovate, up to 4 x 2.5 mm. Megaspores white when immature and dry, black when old and wet, 0.39-0.5 mm in diameter, distal surface variable, almost smooth to fairly densely covered with rounded tubercles with convex sides, proximal surface similar but warts less pronounced.

transvaalensis: from the Transvaal

On sandstone in montane grassland or on mountain peaks submerged in shallow pools that dry out in winter, c. 1600-2600 m.

See African distribution.

Lesotho, South Africa.

Terrestrial.