阔基鳞毛蕨 kuo ji lin mao jue

Plants up to 90 cm tall. Rhizome erect, densely scaly; scales brown, linear-lanceolate or broadly lanceolate, 2-3 cm, entire. Fronds caespitose; stipe dark brown, ca. 38 cm, densely clothed with oblong-lanceolate or lanceolate, brownish black, dentate, and brown fibrillose scales; lamina ovate-lanceolate, ca. 50 × 25-30 cm, bipinnatisect, base not narrowed, apex acuminate; pinnae ca. 20 pairs, alternate, remote, middle pinnae ca. 10 cm, lanceolate, widest at base, 2-2.5 cm wide, sessile, apex acuminate; segments 15-20 pairs, oblong, margin incised, apex rounded, sparsely dentate, basal pinnae with lobed basiscopic segments. Lamina herbaceous; rachis clothed with lanceolate black, and brown fibrillose scales, costae and costules clothed with fibrillose scales on abaxial side; veinlets of segments forked, conspicuous and not impressed on both surfaces. Sori 4-6 pairs on each segment, in 1 regular row on each side of costa, nearer to costa than to margin; indusia brown, orbicular-reniform, caducous.

● Mixed forests, streamsides; 2400-2500 m. C, NE, and W Yunnan.