Persicaria longiseta

睫穗蓼

Persicaria longiseta (Bruijn) Kitag.

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

Kitag. 1937. Rep. Inst. Sci. Res. Manchoukuo 1: 322.

異名

Polygonum longisetum De Bruyn

Hsu. 1967. Polyg. Taiwan 20.
Polygonum buisanense Ohki

Ohki. 1925. The Botanical magazine, Tokyo 39: 259. (Bot. Mag. Tokyo)
Persicaria buisanense (Ohki) Sasaki

Sasaki. 1928. List Pl. Form. (Sasaki) 168.
Polygonum caespitosum Bl. var. longisetum (De Bruyn) Stew

Kudo & Masam. 1932. Annual report of the Taihoku botanic garden, Faculty of Science and Agriculture, Taihoku Imperial Univeristy , Formosa, Japan 2: 51. (Ann. Rep. Taihoku Bot. Gard.)

各語言俗名

中

睫穗蓼、牛耳朵菜、大蓼
英

Winkle knotweed
日

いめたで、ほそばはなたで

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
W. C. Lin. 2005. Wild flowers of Taiwan - the 1300 species found in the lower elevation. (Wild flowers of Taiwan)
Ed. Comm. 2017. Red List TW Plants.

特徵描述

生活型

herb

形態特徵

Annual ascending or decumbent herbs, 20–80 cm tall; stems much branched, glabrous; nodes enlarged.
Leaves short petiolate or subsessile, lanceolate, 2–8 cm long, 1–2.5 cm wide, apex acuminate, base cuneate, both surfaces strigose, mainly on veins; ocreae tubular, 0.5–1 cm long, apex truncate, strigose, upper margins ciliate.
Inflorescences 4–6-flowered fascicles in spike-like racemes, terminal or axillary, densely flowered, interrupted below, 2–4 cm long; peduncles glabrous, 2–3.5 cm long; bracts oblique-funnelform, glabrous, upper margins ciliate. Flowers white; pedicels included; perianth segments 5, broadly ovate, ca. 2 mm long, apex rounded; stamens 8; styles 3-cleft, included; nectaries present.
Achenes black, trigonous, smooth, shining, ca. 2 mm long.

分布

台灣 : in open grassy waste fields and along roadsides in lowlands.
世界 : India, Kashmir, Nepal, China（except Xinjiang), Myanmar, Indonesia, Malaysia, the Philippines, Korea, Japan, the Ryukyus and Russian Far East.

引證標本

TAIPEI: Mouchi, Chiang 298. ILAN: Suyuan, Huang 7313. HSINCHU: Chingtsaohu, Chuang & Kuo 4665. MIAOLI: Tahu, Chen 28. NANTOU: Hsitou, Huang et. al. 16318. TAICHUNG: Wufeng, Peng 924. CHIAYI: Alishan, Hsu & Hsu 3909. HUALIEN: Shimizu & Kuo 10683