阔片角蕨 kuo pian jiao jue

Plants summer-green. Rhizome ascending to erect, apex with brown broadly lanceolate scales; fronds caespitose. Fertile frond up to 110 cm; stipe brown, up to 50 cm, ca. 3.5 mm in diam., with sparse brown lanceolate scales, grooved above; lamina 1-pinnate below pinnatilobate apex, ovate, up to 60 cm, ca. 40 cm wide, apex shortly acuminate; pinnae ca. 10 pairs, lanceolate, up to 20 × 6 cm wide, slightly ascending, shortly stalked, base slightly narrowed, pinnatipartite to pinnatisect, apex acuminate; basal pinnae slightly shortened or not shortened; pinna lobes up to 14 pairs, elliptic or oblong, dentate, acroscopic base of upper pinnae narrower, longer than basiscopic base, or equally long; veins prominent with 8-10 pairs of veinlets, oblique, bifurcate or trifurcate or pinnate, occasionally simple. Lamina thinly herbaceous when dry, brown-green on both surfaces, glabrous. Sori elliptic. Spores reniform in equatorial view, perispore prominent, with few rugate, granular projections.

● Mixed coniferous and broad-leaved forests; 2200-2400 m. Yunnan.