Alsophila metteniana

小黑桫欏

Alsophila metteniana Hance

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

Hance. 1868. Journal of botany, British and foreign 6(66): 175-176. (J. Bot.)

台灣首次記錄發表文獻

Taiwan Pteridophyte Group. 2019. Taiwania 64(4): 383.

異名與其在台灣首次使用的文獻

Alsophila formosana Bak.

Bak. 1891. Annals of Botany. Oxford 5(18): 190. (Ann. Bot. (Oxford))
Alsophila metteniana Hance

DeVol. 1975. Flora of Taiwan 1: 136. (Fl. Taiwan)
Cyathea formosana (Bak.) Copel.

Copel. 1909. Philippine Journal of Science 4(1): 35. (Philipp. J. Sci.)
Cyathea metteniana (Hance) C. Chr.& Tard.-Blot

Hsieh. 1994. Flora of Taiwan, second edition 1: 147. (Fl. Taiwan 2nd edit.)
Gymnosphaera metteniana (Hamce) Tagawa

Tagawa. 1951. Acta phytotaxonomica et geobotanica eng 14: 94. (Acta Phytotax. Geobot.)

各語言俗名

中

小黑桫欏、台灣筆筒樹、台灣樹蕨

參考文獻

Lee. 2000. Plant map - The lowland vegetation of Taiwan 128. (Pl. Map)

特徵描述

形態特徵

Caudex erect, usually short, sometimes to 1 m tall.
Stipes 70-100 cm long, 6-10 mm broad, purplish to black, polished; basal scales abundant, lanceolate, brown, with pale margins, the base broadened, the apex long attenuate; fronds 1-2.5 m tall, tripinnatifid, broadly deltoid; pinnae 35-60 cm long, pinnules 6-10 cm long, short stalked; veinlets free, simple, in 4-5 pairs; ultimate segments serrate; scales on lower surface of rachillae and costae sparse, small, pale brown; upper surface of rachis, rachillae and costae pubescent.
Sori medial on veinlets, the paraphyses abundant.

分布

世界 : Japan, the Ryukyus and China.

引證標本

TAIPEI: Kankou, Kao 3700; Chihsinshan, Kuo 537; Keelung, Yamamoto s. n. 1929. ILAN: Taipingshan, Yamamoto s. n. 1925; Lotung, Sasaki s. n. 1924. NANTOU: 99th Peak Hoku, Kuo 193. PINGTUNG: Hengchun, Kawakami 904.