Plants robust, up to 15 cm high, whitish green to brownish yellow, shiny when dry. Stem cortex in 2–3 layers, hyaline cells thin-walled, without fibrils and pores; central cylinder yellowish red. Stem leaves 1.3–1.4 mm × 0.7–0.8 mm, isosceles-triangular, with dentate, narrow and blunt apices; borders differentiated, slightly widened at base; hyaline cells narrowly rhomboidal below, short-rhomboidal above, mostly divided, without fibrils, sometimes with the traces of fibrils in the upper cells, numerous irregular pores on the ventral surface. Branch leaves 1.4–1.7 mm × 0.6–0.8 mm, broadly ovate-lanceolate at base, abruptly narrowed to acuminate apex, margins involute above, dentate at the apex; borders narrowed, hyaline cells densely fibrillose, with numerous large, rounded pores near the margins on the ventral surface, fewer near the central parts, small pores in the upper cells and gradually enlarged to elliptic pores below on the dorsal surface, with large, rounded pores near margins at base; green cells in cross section isosceles-triangular, exposed on the ventral surface, enclosed by hyaline cells on the dorsal surface. Dioicous. Sporophytes not seen.
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