泸水假毛蕨 lu shui jia mao jue

Plants to 70 cm tall. Rhizomes erect. Fronds clustered; stipes to 32 cm, stramineous; laminae ovate-lanceolate, ca. 38 × 18 cm, pinnatifid-acuminate at apices; proximal 3 pairs of pinnae reduced into auricles, one pair reduced and hastate; middle normal pinnae ca. 17 pairs, proximal ones subopposite, distal ones alternate, shortly stalked, except for proximal pair slightly reflexed, others ascending distally, pinnate-pinnatifid; pinnae lanceolate, bent or falcate distally; middle pinnae ca. 13 × 2 cm, pinnatifid; segments ca. 26 pairs per pinna, subrectangular, bent distally, ca. 6 × 3 mm, entire, acute at apices. Costules raised on both sides, ca. 10 pairs of veinlets per segment, clearly visible. Laminae dark green when dry, papery; rachises, costae, and costules all with dense acicular hairs and pubescence abaxially, adaxial side of costae with dense appressed setae along grooves, veinlets and along margins sparsely setaceous, costules shortly hairy adaxially, intercostal areas with dense acicular fine hairs abaxially. Sori orbicular, attached on middle of veinlets; indusia orbicular-reniform, brown, hairy and persistent.

● Evergreen broad-leaved forests; ca. 2200 m. Yunnan (Lushui).