边囊假毛蕨 bian nang jia mao jue

Plants to 75 cm tall. Rhizomes creeping, woody, firm. Fronds remote; stipes ca. 23 cm, deep stramineous, bases with sparse deep brown lanceolate scales, distally glabrous; laminae broadly lanceolate, ca. 50 × 25 cm, abruptly narrowed proximally, pinnate-pinnatifid, pinnatifid-acuminate at apices; proximal 3 pairs of pinnae reduced and hastate; middle normal pinnae ca. 21 pairs, alternate, spreading, sessile, 12-14 × 1.5-1.7 cm, bases nearly tapering, truncate, pinnatifid nearly to costae, apices pinnatifid and long acuminate; segments ca. 22 pairs, obliquely spreading, lanceolate, ca. 7 × 4 mm, entire, rounded-obtuse at apices. Veins raised on both sides, 7-9 pairs of veinlets per segment, proximal pair arising above base of costules, acroscopic veinlet reaching bottom of sinus, basiscopic one reaching margin above sinus. Laminae greenish when dry, thinly papery; abaxially sparsely long acicular hairy along rachises, glabrous along costae, sparsely finely hairy and glandular along veins, adaxially with dense appressed setae along costal grooves, sparsely setaceous along veinlets. Sori orbicular, attached above middle of veinlets or closer to margins; indusia orbicular-reniform, brown, glabrous, persistent.

● Sichuan.

Pseudocyclosorus submarginalis is similar to P. esquirolii but differs in the plants smaller, laminae ca. 50 cm, proximal pair of veinlets on segment arising above base of costules, and sori attached above middle of veinlets and close to margins.