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DescriptionRhizome c.1.5 mm in diameter, shortly creeping, rootless, covered with very small scales. Aerial stems 15-44 cm long, unbranched below, repeatedly dichotomously branched above with 20-36 branches, markedly angled and triangular in cross-section, glabrous. Leaves few, widely spaced, lanceolate to ovate in outline, scale-like, pointed, up to 2 mm long. Sporangia c.2.5 mm in diameter, united in 3-locular capsule-like synangium, placed in the axis of a small bract, scattered along the apical region of the stem, orange brown when mature, dehiscing longitudinally to release the spores.