镰羽假瘤蕨 lian yu jia liu jue

Polypodium taeniatum Swartz, J. Bot. (Schrader) 1800(2): 26. 1801; Crypsinus taeniatus (Swartz) Copeland; C. taeniatus var. palmatus (Blume) Tagawa; Phymatodes falcatopinnata (Hayata) Ching; Phymatopsis falcatopinnata (Hayata) H. Itô; P. palmata (Blume) J. Smith; P. taeniata (Swartz) Ching; P. taeniata var. palmata (Blume) Ching; Phymatopteris falcatopinnata (Hayata) S. G. Lu; P. palmata (Blume) Pichi Sermolli; P. taeniata (Swartz) Pichi Sermolli; P. taeniata var. palmata (Blume) Parris; Polypodium falcatopinnatum Hayata; P. palmatum Blume; Selliguea falcatopinnata (Hayata) H. Ohashi & K. Ohashi; S. taeniata var. palmata (Blume) Parris.

Rhizome ca. 5 mm in diam., densely scaly; scales reddish brown or turning darker when old, lanceolate, broad at peltate base, margin entire or remotely denticulate, apex acuminate and hair-tipped. Fronds monomorphic, 25-50 × 20-30 cm. Stipe straw-colored, 15-20 cm; lamina pinnatisect, base cordate, margin notched or subentire. Lateral lobes/pinnae 2 or 3 pairs, opposite, linear-lanceolate, 12-15 × 1-1.5 cm, ascending at base, falcate (bending downward) at upper portion, apex acuminate. Costa and lateral veins distinct, veinlets obscure. Lamina herbaceous, both surfaces glabrous. Sori orbicular, large, slightly closer to costa.

100-700 m. Taiwan (Lan Yu, Pingdong) [Brunei, Indonesia, Malaysia, Philippines].