峨眉方杆蕨 e mei fang gan jue

Plants ca. 80 cm tall. Rhizomes not seen. Stipes ca. 40 cm, stramineous, glabrous; laminae lanceolate, ca. 70 × 20-25 cm, pinnate-pinnatifid, pinnatifid-acuminate at apices; lateral free pinnae ca. 25 pairs, obliquely spreading, proximal ones subopposite, distal ones alternate, subsessile; middle pinnae lanceolate, ca. 13 × 1.7 cm, truncate at bases, pinnatifid, pinnatifid-acuminate at apices; segments ca. 30 pairs, ca. 3 mm wide, entire, obtuse-pointed at apices; proximal pair (particularly acroscopic one) extremely elongated. Veins visible on both sides, adaxially impressed, costules raised abaxially, veinlets 12 pairs per pinna, proximal pair arising from closely above base of costules and all reaching margins above sinuses. Laminae dark green or green when dry, papery, rachises, costae, veins, and abaxial sides of intercostal areas all with dense acicular hairs, adaxially with dense short hairs along grooves of costae, veins, intercostal areas, and margins with short setae. Sori orbicular and attached on proximal parts of veinlets, close to costules, indusiate and hairy. Sporangia hairy.

● Mixed forests at roadsides, rock crevices by streams; 1800-1900 m. Sichuan (Emei Shan).