2. Struthiopteris hancockii (Hance) Tagawa, Acta Phytotax. Geobot. 14: 192. 1952.
宽叶荚囊蕨 kuan ye jia nang jue
Blechnum hancockii Hance, J. Bot. 21: 267. 1883; Lomaria apodophylla Baker; L. hancockii (Hance) Baker; Spicantopsis hancockii (Hance) Masamune; S. niponica (Kunze) Nakai var. hancockii (Hance) Nakai.
Rhizome erect, short, densely scaly; scales dark brown, linear, ca. 1.5 cm, membranous, entire, apex subulate. Fronds tufted, subdimorphic with fertile lamina narrower than sterile lamina, subsessile or shortly stipitate; lamina pectinate-pinnatisect, brown when dry, elliptic or oblanceolate, broadest at or above middle, 30-40 × 5-8 cm, thickly leathery, glabrous, base gradually narrowed with small auricles, apex acuminate or acute; pinnae 20-40 pairs, spreading, close or distant, linear-oblong, slightly falcate, largest 2.5-4 × ca. 0.5 cm, in fertile fronds 1.5-3 × ca. 0.3 cm, base adnate to rachis, margin entire, apex acute, slightly reflexed when dry; veins inconspicuous, pinnate, furcate, ending in submarginal fusiform hydathodes; rachis brown or stramineous, shallowly grooved adaxially, sparsely scaly; scales brown, lanceolate. Sori linear, single on either side of costa, occupying most of pinna lamina.
Forests. Taiwan [Japan].