斜展假毛蕨 xie zhan jia mao jue

Plants ca. 1.2 m tall. Rhizomes not seen. Stipes ca. 30 cm, brown and glabrous; laminae oblong-lanceolate, ca. 100 × 30 cm, tapering to both ends, pinnate-pinnatifid; lower 4 pairs of pinnae abruptly reduced and hastate; middle normal pinnae ca. 20 pairs, extremely oblique distally, alternate, narrowly lanceolate, ca. 25 × 3 cm, acuminate at apices, entire, pinnatifid; segments more than 35 pairs per pinna, lanceolate, 1.2-1.5 × ca. 0.3 cm, entire, acuminate at apices, basal acroscopic one slightly elongated. Veins visible on both sides and all raised, ca. 11 pairs of veinlets per segment, proximal veinlet arising from base of costules and reaching margin above sinus, acroscopic one arising above base of costules and reaching bottom of sinus. Laminae grayish green when dry, papery; abaxially with short setae along rachises, subglabrous along costae and veins, adaxially densely setaceous along costal grooves, sparsely hairy along veins and margins, glabrous on intercostal areas on both sides. Sori orbicular and attached on distal parts of veinlets, ca. 9 pairs per segment; indusia orbicular-reniform, brown, thick, glabrous, persistent.

● Streamsides. Guangxi (Lingui).