Japan Flora: Rhizomes short-creeping to as­cending; stipes txifted, purple-brown, 30-60 cm. long, sparsely scaly above and on rachis, densely scaly at base; scales lanceo­late to linear-lanceolate, 10-15 mm. long, 15-2.5 mm. wide, much elongate at tip, contorted; blades broadly ovate, 30-55 cm. long, 25-40 cm. wide, acuminate; pinnae about 5 pairs, del­toid-ovate, 20-30 cm. long, 15-20 cm. wide, acuminate, petiolu- latej bipinnate at base, pinnate in upper part; pinnules herba­ceous to coriaceous, narrowly deltoid-ovate to broadly deltoid- lanceolate, usually acuminate, crenate-toothed, petiolulate, pinnately lobed to parted, obtusely toothed; sori in 2 series along the costule; indusia orbicular-reniform, 1.5-2.5 mm. across, ciliolate.

Kyushu (Yakushima).Formosa, China, and Indochina.