形態特徵

• Rhizomes short-creeping, suberect.
• Fronds tufted, whitish pilose throughout; stipes 4-25 cm long, pale, sparsely dark brown scaly, the scales linear-lanceolate, 78 mm long, bearing copious stiff marginal hairs; laminae oblong-lanceolate, bipinnatifid, 10-45 cm long, 2.5-15 cm wide, long-acuminate, gradually narrowed at base, densely pilose above on rachises and costae, the margins ciliate, the rachises with spreading ciliate scales beneath; pinnae broadly linear to deltoid lanceolate, 2-9 cm long, 6-11 mm wide, acute to acuminate, sessile, broadly adnate at base and connected to one another by the auriculate pinna-bases except the lowest ones, coarsely obtuse-toothed, more often pinnately lobed; lateral veins in the lobes free.
• Sori orbicular with a stalked and branched hair in middle; indusia absent or minute, hidden, long-pilose.

分布

• 台灣 : Growing in the shaded places or rocks of forests at low and median altitudes, common in Taiwan.
• 世界 : central and southeastern China, India, Indo-China, S. Korea, Japan, The Ryukyus.

引證標本

TAIPEI: Shihting, Huang 2377; Hsientien, Tsai 1815. ILAN: Kueishantao, Kuo 1594*; Jencher, Shieh & Tsai 7354. TAOYUAN: Fuhsing, Tsai 10320. HSINCHU: Shihtoushan, Kuo 839. MIAOLI: Tahu, Chen 30. TAICHUNG: Pahsienshan, Chuang 2803; Wushikeng, Shieh & Tsai 565. NANTOU: Kuantaochi, Tsai 10069; Chingshuikou, DeVol 8165. CHIAYI: Mt. Alishan, Shieh & Tsai 6755; Tulishan, Tsann 19. TAINAN: Tengtzu, Kuo 714. PINGTUNG: Machia, Huang 7358; Chingshuiyin, Shieh & Tsai 6902. TAITUNG: Litau, Tsai 9002; Is. Lanyu, Hsu 9038.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 392. (Fl. Taiwan 2nd edit.)