Dichocarpum arisanense

鐵線蕨葉人字果

Dichocarpum arisanense (Hayata) W. T. Wang & Hsiao

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

W. T. Wang & Hsiao, Acta phytotaxonomica sinica eng 9(4): 329. 1964. (Acta Phytotax. Sin., 植物分類學報)

台灣首次記錄發表文獻

同發表文獻

異名

Isopyrum adiantifolium Hook. f. & Thoms. var. arisanense Hayata

Hayata, Materials for a flora of Formosa 21. 1911. (Mat. Fl. Formos.)
Isopyrum arisanense (Hayata) Ohwi

Ohwi, Acta phytotaxonomica et geobotanica eng 1: 141. 1932. (Acta Phytotax. Geobot., 植物分類,地理)
Dichocarpum adiantifolium (Hook. f. & Thoms.) W. T. Wang & Hsiao

Yang & Huang, Flora of Taiwan, second edition 2: 546. 1996. (Fl. Taiwan 2nd edit., 台灣植物誌第二版)

各語言俗名

中

阿里山天葵. 台灣銀花天葵. 阿里山白銀草. 台灣人字果.
日

ありさんしろがねそう.

參考資料

T. Y. Aleck Yang and Tseng-Chieng Huang, Taiwania 41(2): 117-153. 1996.
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

herb

形態特徵

Perennial erect glabrous herbs 7-20 cm tall with creeping rhizomes.
Leaves radical and cauline, biternately or pedately compound; petioles 5.5-8.5 cm long. Terminal segments 7-18 mm long, 8-20 mm wide, broadly rhombate; apex retuse; base rounded or truncate; slightly lobed; glabrous on both surfaces.
Scapes 1 or 2, 3.5-15.5 cm long, erect. Inflorescence a cyme; bracts ternately divided; pedicels 8-25 mm long. Flowers 6-10 mm in diam., white. Sepals 5, 3.5-4.5 mm long, 1.5-2.5 mm wide, elliptic, oblong or obovate. Petals 5, round, ovate, obovate or elliptic, with a slender claw, apex entire, emarginate or 2-lobed. Stamens 5-10, anthers obovoid-globose; filaments linear, 2-4 mm long.
Carpels 2, erect, 2-3 mm long, connate at base. Follicles 2, 7-10 mm long, narrowly oblong, with small beak at apex, patent. Seeds many, globose, brown, nitid, smooth.

分布

世界 : S. mainland China, Nepal, N. Burma.

引證標本

ILAN: Taipingshan, Ohwi 2431. HSINCHU: Yuanyanghu Natural Preserved Area, Shen et al. 795. MIAOLI: Kuangwu, Wang & Yang 4784; Kuanwu to Kuaishan Giant-tree, Wang et al. 8353. NANTOU: Hohuanshan, Fukuhara & Shibaike s. n. 1991. CHIAYI: Alishan, Kawakami & Mori s. n. 1908 (TI!).