灌县假毛蕨 guan xian jia mao jue

Plants to 80 cm tall. Rhizomes decumbent, dark brown, woody, firm. Fronds approximate; stipes ca. 30 cm, brown proximally, distally stramineous and glabrous; laminae lanceolate, ca. 55 × 24 cm, tapering proximally, pinnate-pinnatifid, pinnatifid-acuminate at apices; free pinnae ca. 20 pairs, slightly obliquely spreading, sessile, subopposite, proximal 2 or 3 pairs of pinnae slightly shortened; middle ones lanceolate, ca. 12 × 1.9 cm, bases subcuneate, pinnatifid nearly to costae, pinnatifid-acuminate at apices; segments ca. 23 pairs, lanceolate, ca. 7 × 4 mm, entire, obtuse-pointed at apices; basal acroscopic segment particularly elongated (to 1 cm). Veins evident on both sides, costules raised abaxially, ca. 9 pairs of veinlets, proximal pair arising above bases of costae, acroscopic veinlet reaching bottom of sinus, basiscopic one reaching margin above sinus. Laminae greenish red when dry, subherbaceous; abaxially with sparse acicular long hairs along rachises, hairs denser along costae and veins, fine and long acicular hairy on intercostal area, adaxially with dense appressed short setae along rachises and costal grooves, subglabrous along veins, hairy along margins, glabrous on intercostal areas. Sori orbicular and attached below middle of veinlets and closer to costules; indusia orbicular-reniform, hairy, brown, persistent. Sporangia each with 2 or 3 erect acicular hairs.

● Shaded places in forests; ca. 1200 m. Sichuan (Guanxian: Qincheng Shan).