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7. Polypodiodes pseudolachnopus S. G. Lu, Acta Phytotax. Sin. 37: 294. 1999.

假毛柄水龙骨 jia mao bing shui long gu

Rhizome long creeping, 5-6 mm in diam., densely covered with scales; scales brown, lanceolate, peltate at base, margin irregularly denticulate, apex acuminate. Fronds remote. Stipe straw-colored, 10-15 cm, sparsely pubescent. Lamina pinnatipartite, linear-lanceolate, 40-50(-70) × 6-8 cm, base cordate, apex acuminate. Segments 40-60 pairs, lanceolate, 4-5 cm × 5-10 mm, margin toothed, apex acute or obtuse. Veins anastomosing to form 1 row of narrow areoles along each side of rachis and 1 row of large areoles along each side of costa, each costal areole containing a simple included veinlet. Lamina papery, green, pubescent on both surfaces and scaly abaxially; rachis straw-colored, more densely hairy. Sori orbicular, in 1 row on each side of costa, slightly close to costa.

● Epiphytic on tree trunks or on rocks; 1800-3000 m. Sichuan, Xizang, Yunnan.

Material of Polypodiodes pseudolachnopus was first identified as Polypodium lachnopus Wallich ex Hooker (Ching, Icon. Fil. Sin. 2: ad pl. 95. 1934; Shing in W. T. Wang, Vasc. Pl. Hengduan Mt. 1: 161. 1993).


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