武宁假毛蕨 wu ning jia mao jue

Plants to 1.2 m tall. Rhizomes decumbent, dark brown. Fronds approximate; stipes 8-10 cm, dark brown proximally, distally stramineous, glabrous; laminae oblong-lanceolate or broadly lanceolate, ca. 110 × 26-35 cm, abruptly narrowed at bases, pinnate-pinnatifid, pinnatifid-acuminate at apices; normal lateral pinnae 28-30 pairs, extremely shortly stalked, alternate, obliquely spreading, proximal 7-9 pairs abruptly reduced into small linear auricles, proximal one reduced, tuberculate; middle pinnae linear-lanceolate, ca. 20 cm, broadly cuneate at bases, pinnatifid nearly to costae, long acuminate-caudate at apices; segments ca. 35 pairs, oblique distally, sublanceolate, 8-10 × ca. 3 mm, entire, acute at apices. Veins evident abaxially, 9 or 10 pairs of veinlets per segment, acroscopic veinlet of proximal pair arising above base of costules and reaching bottom of sinus, basiscopic veinlet arising from base of costule and reaching margin above sinus. Laminae green when dry, papery; abaxially with sparse acicular hairs along rachises, along costae and veins with mixed acicular setae and fine hairs; adaxially with dense acicular setae along grooves of rachises and costae, costules with dense appressed short hairs adaxially, veinlets and along margins with 1 or 2 setae. Sori orbicular, attached on middle of veinlets, 7 or 8 pairs per segment; indusia orbicular-reniform, thick, brown, finely long hairy, persistent.

● Rock crevices. Jiangxi (Wuning).