Bidens biternata

鬼針舅

Bidens biternata (Lour.) Merr. & Sherff

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

Merr. & Sherff, Botanical Gazette 88(3): 293. 1929. (Bot. Gaz.)

台灣首次記錄發表文獻

Yamamoto, Journal of the Society of Tropical Agriculture 8: 269. 1936. (J. Soc. Trop. Agr.)

異名

Bidens bipinnata auct. non L.

Matsum. & Hayata, Enumeratio Plantarum Formosanarum 206. 1906. (Enum. Pl. Formos.)

各語言俗名

日

きつねばり. きばなのせんだんぐさ. せんだんぐき.
台

Kúi chiam chháu kū.

參考文獻

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Stems 30–150 cm long, subtetragonous, loosely crisped-pilose, branched.
Median cauline leaves opposite, to 9–19 cm long (including petiole 5 cm long), densely pubescent on both surfaces, once (or twice) pinnatisect, terminal segments often ovate, apex short acuminate, margins distinctly dentate, lateral segments ovate, acute to obtuse, lower segments sometimes pinnatifid.
Heads 7–10 mm long, peduncles 1.5–11 cm long. Involucral bracts 8–10, linear, 3–6.5 mm long, acute; outer palea oblong, 5–6 mm long, pilose; inner ones narrowly oblong to linear, glabrous. Ray florets, 1–5, sterile, corolla yellow, 5.5 mm long. Disc florets fertile, corolla tubular, 4–5.5 mm long.
Achenes linear, 9–19×1 mm, tetragonous, short-strigose. Pappus awns 3–4 mm long.

分布

台灣 : wet places, roadside, and paddy fields.
世界 : Asia, Africa, and Australia.

引證標本

MIAOLI: Yuanli, Peng 11104; Fengshuli, Peng 5457. CHIAYI: Chuchi, Peng 8758. KAOHSIUNG: Meinung, Lu 14729; PINGTUNG: Santi, Peng 10243; Liuchiuyu, Lin 468.