Japan Flora: Rhizomes erect or ascending, covered with the basal stubs of old fronds; stipes tufted, 15-25 cm. long, slender, straw- colored, dark brown and densely scaly toward base; scales membranous, narrowly lanceolate to linear, 1-1.5 cm. long, to 2 mm. wide, entire, uniformly brown or sometimes with a chestnut-brown longitudinal band in the center; blades herbaceous, ovate, 15-30 cm. long, 10-18 cm. wide, acuminate, bipinnate, glabrous; pinnae 10-15 pairs, spreading, broadly ovate-lanceolate, 8-20 cm. long, 2-3.4 cm. wide, caudately long-acuminate, sessile; pinnules several to rather many on a pinna, rather remote, broadly lanceolate to narrowly ovate, 1.5-2 cm. long, 4-8 mm. wide, acute to short-acuminate, oblique, cuneate at base, sessile, irregularly few-toothed, pin- nately cleft to parted, pinnules ascending, acuminate; sori median; indusia membranous, athyrioid, sometimes straight, entire, about 1 mm. long. Mountains.

Kyushu; rare