Caudex short, erect, densely covered with linear-lanceolate, dark brown scales. Stipes tufted, shorter than laminae, 30-60 cm long, scaly at base when young; fronds pinnate; pinnae linear-lanceolate, wide spreading, glabrous; median pinnae 10 to 40 cm long, to 1.8 cm wide, base of pinnae adnate on lower side, free on upper side; veins free, parallel, simple or forking from near costa. The sori are arranged in a long continuous line costally, linear, reaching from base nearly to apex; indusia very narrow.
最初是从, Australia, China, Fiji, French Polynesia, Guam, Japan, New Caledonia, Norfolk Island, Papua New Guinea, Philippines, Solomon Islands, Taiwan, Hong Kong, Malaysia
Distributed in tropical Asia, Australia and Pacific Islands. Growing on exposed low hillsides to about 1500 m altitude mountains.