Woodwardia japonica (L. f.) Sm. in Mem. Acad. Turin. 5: 411. 1793; DeVol in Fl. Taiwan 1: 159. 1975.
日本狗脊蕨
Blechnum japonicu L. f., Suppl. Syst. Veg. 447. 1781; Thunb., Fl. Jap. 335, t. 35. 1784.
Caudex short, erect, covered with overlapping leaf bases. Stipe stout, scaly, especially so at base;
scales large, reddish-brown, lanceolate, entire; c. s. of stipe with 2 linear bundles; fronds large,
monomorphic, bipinnatifid; pinnae linear, sessile, cut 1/2 way to costa; segments on either side of costa
of equal length; median pinnae 8-18 cm long, 1-2 cm wide. Sori oblong, sunken; indusia discrete,
brown, linear, opening towards costa and costules.
TAIPEI: Wulai, Suzuki 8971. TAICHUNG: Wuling, Huang 7041. NANTOU: Kuantaochi, Kuo 2089.
KAOHSIUNG: Buizan, Matuda 187. PINGTUNG: Hengchun, Sasaki s. n. 1935. TAITUNG: Chingshuiyin,
Chuang, Chao & Kao 3455; Kutzulunshan, Kuo 1286.
Distributed in Korea, Japan, China and Vietnam. Taiwan, locate at 500-1,500 m altitude
mountains, usually growing at ridge or somewhat exposed slope, sometimes at shaded places.
