Japan Flora: Rhizomes long-creeping, 4-5 mm. across, green, somewhat glaucous, fleshy, sparsely scaly, the scales appressed, deltoid-ovate, 1.5-2 mm. long, acuminate, rounded to subcordate at base, peltately attached, clathrate; stipes straw-colored, 7-15 cm. long, nearly glabrous; blades broadly lanceolate to oblong-ovate, 15-30 cm. long, 5-10(-12) cm. wide, pinnately parted, puberulent on upper side, densely so and often velvety beneath; segments 15-25 pairs, horizontally spreading, the lower 1 or 2 pairs some­times slighdy deflexed, oblong^lanceolate to narrowly lanceo­late 6-10 mm. wide, obtuse to acute, subentire, the costas very slender, the veins scarcely visible; sori orbicular, nearer the costa than the margin.   Mossy rocks and tree-trunks in hills and low mountains.

Honshu (Musashi and Sagami Prov. and westw.), Shikoku, Kyushu. s. China.