长根假冷蕨 chang gen jia leng jue

Pseudocystopteris repens Ching, Acta Phytotax. Sin. 9: 80. 1964.

Rhizomes long creeping, 2.5-3 mm in diam., blackish brown, almost without scales, apex clothed with brownish, membranous, broadly ovate-lanceolate scales. Fronds distant; fertile fronds 20-30 cm; stipe blackish brown at base, upward gradually becoming purplish red, 7-10 cm, 1.5-2 mm in diam. at base, base with similar scales, upper part with sparse broadly lanceolate scales; lamina 2-pinnate, ovate-oblong, 14-17 × 7-10 cm at middle, base subtruncate, slightly narrowed, apex acuminate; pinnae 13-15 pairs, lowest two pairs of pinnae slightly shortened, slightly pendulous, 1.5-2.3 cm apart; middle pinnae 4-5 × ca. 1.5 cm at base, broadly lanceolate, shortly acuminate, base truncate, sessile; pinnules 10-12 pairs, spreading, approximate, ca. 7 × 4 mm, oblong-ovate, base subequilateral and broadly cuneate, basiscopic base decurrent to narrow costal wing, margin biserrate, lobed, apex obtuse with triangular short teeth; segments with 2 or 3 short teeth; veins visible abaxially, pinnate in pinnules, 1 veinlet per tooth. Lamina herbaceous when dried, green, rachis and costae with sparse long multicellular hairs and short glandular hairs on surfaces. Sori small, elliptic or orbicular-reniform, abaxial on veins, 1-6 per ultimate pinnule or segment, medial; indusia brownish, orbicular-reniform or narrowly ovate, lacerate at margin.

● Rhododendron forests; 3200-3700 m. Sichuan.

Athyrium dulongicola W. M. Chu (Acta Bot. Yunnan., Suppl. 5: 41. 1992 ["dulongicolum"]), described from Yunnan.

Athyrium excelsium Ching (Acta Bot. Boreal.-Occid. Sin. 6(1): 20. 1986), described from Yunnan.

Athyrium fargesii Christ (Bull. Soc. Bot. France 52(Mém. 1): 49. 1905), described from Yunnan.

Athyrium filix-femina (Linnaeus) Roth subvar. brevidens Christ (Bull. Soc. Bot. France 52(Mém. 1): 46. 1905), described from Yunnan.

Athyrium filix-femina (Linnaeus) Roth var. duclouxii Christ (Bull. Soc. Bot. France 52(Mém. 1): 46. 1905), described from Yunnan.

Athyrium filix-femina (Linnaeus) Roth var. paleosum Christ (Notul. Syst. (Paris) 1: 48. 1909), described from Yunnan.

Athyrium ×heterosporum Y. T. Hsieh & Z. R. Wang (Acta Phytotax. Sin. 27: 156. 1989), described from Yunnan and treated in FRPS (3(2): 266. 1999).

Athyrium nemotum Ching (Acta Bot. Boreal.-Occid. Sin. 6(3): 149-150. 1986), described from Guangxi.

Athyrium nigripes (Blume) T. Moore var. elongatum Christ (Bull. Herb. Boissier 7(1): 13. 1899), described from Yunnan.

Athyrium rotundifolium Ching (Fl. Fujian. 1: 597. Apr 1982), described from Fujian.

Athyrium silvestrii Christ (Nuovo Giorn. Bot. Ital. n.s., 17. 226. 1910), described from Hubei.