Japan Flora: Evergreen; rhizomes long-creeping, wiry, 2-2.5 mm. across inclusive of the scales; scales brown, chartaceous, slightly lustrous, gradually narrowed at the tip, 4-5 mm. long, about 1 mm. wide, with a ciliate, hyaline, membranous margin; fronds 3-20 cm. long; stipes 1-12 cm. long, firm, pale green to pale brown, sparsely scaly; blades coriaceous, deltoid-ovate to narrowly so, 2-10 cm. long, 1.5-5 cm. wide, obtuse to acuminate, pinnate, glabrous, the veins on lower side flat, translucent, the rachis flat, with scattered ovate-peltate ciliate scales while young; pinnae few, oblong to lanceolate, obtuse, sessile or adnate at base, the sterile ones crenately toothed to subentire, the fertile ones dentate, the lowest usually dilated and pinnately lobed to parted on the posterior side; veins ascending; sori inserted in the sinus of the teeth; indusia orbicular or broadly elliptic, attached at base, about 0.7 mm. wide. On rocks.
Honshu (s. Kinki Distr.), Shikoku, Kyushu. Ryukyus, Formosa, China, India, Mascarenesis, to Polynesia, and Australia.