Polystichum mucronifolium

兒玉氏耳蕨

Polystichum mucronifolium (Blume) C.Presl

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

C.Presl. 1851. Abhandlungen der Königlichen Böhmischen Gesellschaft der Wissenschaften, ser. 5 6: 415. (Abh. Königl. Böhm. Ges. Wiss., ser. 5)

台灣首次記錄發表文獻

Knapp. 2011. Ferns and Fern Allies of Taiwan.

異名

Polystichum kodamae Tagawa

Tagawa. 1937. Journal of Japanese Botany 13: 186. (J. Jpn. Bot.)
Polystichum aculeatum Schott var. formosanum Kodama

Kodama. 1915. The Botanical magazine, Tokyo 29: 328. (Bot. Mag. Tokyo)
Polystichum tacticopterum (Kunze) T. Moore

Kuo. 1985. Taiwania 30: 63.

各語言俗名

中

兒玉氏耳蕨

特徵描述

形態特徵

Stipes 22-38 cm long, large basal scales membraneous, elliptic, long acuminate at apex, with dark brown serration near apical margin and black thick line in central part; rachis scales intermixed with larger ovate ones.
Lamina bipinnate, ovate-lanceolate, 30-60 cm long, 16-25 cm broad, apex acuminate, chartaceous; pinna linear, 8-13 cm long, 1.5-2.1 cm broad, acuminate; pinnules 7-13 mm long, 2-5 mm broad, oblong, apex acute, margin serrate; small scales on undersurface of pinna deltoid, with coarse serration on basal margin, and prolonged at apex.
Sori dorsal or terminal on veinlets, nearer to costa than margin; indusia very small, margin irregularly dentate, caducous.

分布

台灣 : at medium altitude.
世界 : Ceylon, India, Nepal, Bhutan and Sikkim.

引證標本

HSINCHU: Anmashan, Kuo 7136. NANTOU: Jenlun working station, Shieh & Tsai 1198. CHIAYI: Mt. Alishan, Wang 1838. PINGTUNG: Peitawushan, Wang 2149. TAITUNG: Lisung to Shiangyang, Wang 2056.