Plants terrestrial or epilithic, evergreen, prostrate, 5-10 cm. Rhizophores at intervals throughout length of creeping stem and branches, borne on ventral side in axils of branches. Main stems irregularly branched throughout, stramineous, 2-3 mm wide including leaves. Dorsal leaves white-margined, ovate, margin long ciliolate, apex acute or long caudate. Ventral leaves oblong-ovate, 1-1.7 mm, margin denticulate, long ciliolate at base, apex long caudate. Strobili solitary, terminal, compact, dorsiventrally complanate, 3-15 mm; sporophylls dimorphic, resupinate; dorsal sporophylls ovate-lanceolate, less than 2 mm, apex acuminate or long caudate; ventral sporophylls broadly lanceolate, ca. 1.5 mm, margin long ciliolate.
Taiwan [Japan].
On wet cliffs.