禾杆假毛蕨 he gan jia mao jue

Plants ca. 1.2 m tall. Rhizomes not seen. Stipes ca. 36 cm, with dense acicular hairs. Laminae lanceolate, ca. 65 × 20 cm, tapering to both ends, pinnate-pinnatifid; proximal ca. 8 pairs of pinnae reduced and hastate; normal pinnae more than 25 pairs, alternate, spreading, sessile, narrowly lanceolate, ca. 13 × 1.7 cm, not tapering to bases, 1-pinnatifid, pinnatifid-acuminate at apices; segments more than 30 pairs, lanceolate, ca. 7 × 4 mm, entire, acute at apices. Veins raised on both sides, ca. 9 pairs of veinlets per segment, proximal pair arising above base of costules, basiscopic veinlet reaching to margin above sinus, acroscopic one reaching bottom of sinus. Laminae dark brown when dry, papery; rachises with dense long acicular hairs on both sides, along abaxial sides of costae sparsely acicular hairy, with appressed short setae along veins adaxially, with 1 or 2 setae along veinlets and margins. Sori orbicular and attached on middle of veinlets, ca. 7 pairs per segment; indusia orbicular-reniform, brown, thick, glabrous, persistent.

● W Yunnan.