Woodwardia orientalis Sw. var. formosana Rosenst. Rosenst. in Hedwigia. 56: 334. 1914; Hayata, Ic. Pl. Form. 8: 156. 1919.
台灣狗脊蕨
Woodwardia orientalis Sw. in Schrad. 1800 (2): 76. 1801; DeVol in Fl. Taiwan 1: 159. 1975.
Woodwardia prolifera Hook. & Arn., Bot. Beech. Voy. 275. f. 56. 1836-40; Nakai in Bot. Mag. Tokyo 39:
105. 1925.
Caudex erect, stout, scaly. Stipes stout, 30-60 cm long, tufted, covered with large, thin, reddishbrown,
lanceolate scales (2-3 cm long); fronds bipinnatifid, 30-200 cm long; pinnules on adaxial side
of rachis longer than on abaxial side, basal pinna with 1-3 pairs of abaxial pinnules very short or
lacking; pinnae often bearing abundant buds on upper surface. Sori linear, immersed, costal; indusia
firm, brown, opening towards costa.
TAIPEI: Wulai, Kao, Feung & Chao 85. ILAN: Lotung, Suzuki s. n. 1938. TAICHUNG: Anmashan, Liu et al.
s. n. 1959. NANTOU: Chingshuikou, Huang 1896. CHIAYI: Mt. Alishan, Huang & Kao 1725. TAINAN:
Kuangtzulin, Kuo 1875. TAITUNG: Is. Lanyu, Huang & Kao 5396, Kuo 2193. HUALIEN: Tienhsian, Hsu 1178.
Distributed in mainland China, Japan and the Ryukyus, Taiwan, seaside (north) to 2,000 m altitude
mountain, growing at exposed but somewhat wet or a little shaded places.
