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5. Plagiogyria assurgens Christ, Boll. Soc. Bot. Ital. 1901: 293. 1901.
峨嵋瘤足蕨 e mei liu zu jue
Blechnum faberi C. Christensen; Lomaria deflexa Baker (1888), not Colenso (1844), nor Liebmann (1849); Spicanta deflexa Kuntze.
Stipes 8-20 cm on sterile fronds, 15-45 cm on fertile fronds, distally tetragonal in cross section; vascular bundle U-shaped; stipes and rachises glabrous; aerophores cushionlike, present only on stipe base. Sterile lamina pinnatifid, 23-65 × 10-20 cm, glaucous abaxially, apex confluent, terminating in a pinnatilobed segment; rachises abaxially trigonous or carinate; pinnae 22-47 pairs; proximal pinnae adnate to rachises, deflexed, abruptly abbreviated; middle pinnae acroscopically adnate to rachises, basiscopically rounded; distal pinnae subequilaterally adnate to rachises, basiscopically rounded; veins usually paired at base. Fertile lamina deeply pinnatifid, 28-60 × 7-14 cm; rachises abaxially carinate; pinnae 20-35 pairs, base broadly adnate to rachises; proximal 1-4 pairs of pinnae much shorter than others, deflexed, often sterile. Paraphyses few, shed early, brown. Spores yellow, with reddish tubercles.
● Humus-rich forests, mountain slopes; 1200-2500 m. Chongqing, Sichuan, Yunnan.
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