形態特徵

• Rhizome short-creeping, clothed with minute scales.
• Stipes 2-3 cm long, castaneous, glabrous; lamina 3-7 cm long, oblong-lanceolate to ovate-lanceolate, thickly herbaceous, simply pinnate; lateral pinnae 5-8 pairs, obliquely triangular, the lower 1-2 pairs of pinnae generally sterile, crenate; terminal pinna subtruncate at the apex and cuneate at the base.
• Sori marginal, continuous along the whole upper side or rarely occupying the outer half or upper side; indusia entire, reaching to the upper edge of pinna.

分布

• 世界 : Japan, the Ryukyus, and Taiwan.

引證標本

TAIPEI:Hsichih, Kuo 452; Chutzeshan, Nakamura s. n. 1938.

參考文獻

• SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 175. 1994.  (Fl. Taiwan 2nd edit.)