Wedelia prostrata

天蓬草舅

Wedelia prostrata (Hook. & Arn.) Hemsl.

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

Hemsl., The journal of the Linnean Society of London. Botany 23: 434. 1888. (J. Linn. Soc., Bot.)

台灣首次記錄發表文獻

同發表文獻

異名

無

各語言俗名

中

貓舌菊. 單花蟛蜞菊. 滷地菊.
日

ねこのした.
台

Thian hông chháu kū.

參考文獻

W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

vine

形態特徵

Stems long creeping, rooting at nodes, coarsely hirsute; flowering branches ascending, leafy, densely strigose.
Cauline leaves thick coriaceous, oblong, sometimes ovate or lanceolate, acute, base cuneate, loosely dentate, 3-nerved, coarsely strigose on both surfaces, petiole 2–8 mm long.
Heads 5–22 mm long, 16–22 mm across, usually solitary, terminal; peduncle 1–7 cm long; involucre hemispheric, 10–12×5–6 mm, bracts in 1 series, ovate to ovate-oblong, 2–3.5 mm wide, acute to obtuse, coarsely strigose. Ray corollas yellow, 8–11×4 mm. Disc corollas tubular, 5–6 mm long, 5-dentate.
Achenes 3.5–4×2 mm, apically strigillose, 3- or 4-angled. Pappus bristles 1 or 2, or obsolete.
Chromosome number, 2n = 30 (Peng & Hsu, 1978).

分布

台灣 : on littoral sand dunes and sandy seashores.
世界 : Southeast Asia, Korea, Japan and China.

引證標本

TAIPEI: Pali, Watzuwei, Leu 1014; Yenliao, Wang 977. ILAN: Chuangwei, Peng 7027; Tungao, Fenniaolin, Peng 13769. TAOYUAN: Tayuan, Houtsokang, Peng 7724. HSINCHU: Lienhuassu, Peng 5159. MIAOLI: Houlung, Wang 1656. PENGHU: Wangan Isl., Leu 2071; Tungpanyu Isl., Chen 731. PINGTUNG: Fengtsueisha, Peng 7205. HUALIEN: Shoufeng, Takeng, Peng 7368.