透明叶假瘤蕨 tou ming ye jia liu jue

Basionym: Polypodium pellucidifolium Hayata, Icon. Pl. Formosan. 4: 250. 1914; Phymatopsis pellucidifolia (Hayata) H. Itô; Phymatopteris pellucidifolia (Hayata) Pichi Sermolli.

Rhizome 3-4 mm in diam., densely scaly; scales ovate-lanceolate, rounded at base, margin entire, apex acuminate. Stipe light brown, 9-10 cm, glabrous; lamina simple, linear or oblanceolate, 30-35 × 2-2.2 cm, base cordate, margin entire or undulate, apex shortly acuminate. Veins all distinct. Lamina membranous, pellucid, both surfaces glabrous. Sori orbicular, small, slightly closer to midrib.

● On rocks beside streams in forests. Taiwan (Alishan).