Japan Flora: Rhizomes long-creeping, 0.2-0.3 mm. across, with dark brown hairs, remotely leaved; fronds 1.5-4 cm. long; stipes 2-10 mm. long, scarcely winged; blades bi- or partially subtripinnatiparted, oblong-ovate, the rachis winged; pinnules rather close or somewhat imbricate, linear, entire, subacute, 0.8-1 mm. wide; indusia short, tubular-campanulate, entire, dilated above, slightly recurved on margin, 2-winged nearly to the top, about 2 mm. long.

Honshu (Kanto to Kinki Distr.), Shikoku, Kyushu; rare.