Ixeridium laevigatum

刀傷草

Ixeridium laevigatum (Blume) J. H. Pak & Kawano

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

J. H. Pak & Kawano. 1992. Memoirs of the Faculty of Science, Kyoto University, Series of Biology 15: 45. (Mem. Fac. Sci. Kyoto Univ., Ser. Biol.)

台灣首次記錄發表文獻

同發表文獻

異名

Ixeris laevigata (Blume) Sch. Bip. ex Maxim. var. oldhamii (Maxim.) Kitam.

Kitam. 1956. Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 23: 111. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)
Lactuca oldhamii Maxim.

Hayata. 1919. Icones Plantarum Formosanarum 8: 76. (Icon. Pl. Formos.)
Ixeris oldhamii (Maxim.) Kitam.

Kitam. 1934. Acta phytotaxonomica et geobotanica eng 3: 134. (Acta Phytotax. Geobot.)
Ixeris laevigata (Blume) Sch. Bip. ex Maxim. var. lanceolata (Makino) Kitam.

Kitam. 1941. Acta phytotaxonomica et geobotanica eng 10: 22. (Acta Phytotax. Geobot.)
Lactuca thunbergiana Maxim.

Forbes & Hemsl. 1888. The journal of the Linnean Society of London. Botany 23: 484. (J. Linn. Soc., Bot.)

各語言俗名

中

刀傷草
台

To siong chháu、Tō kong eng、Ng hoe chháu、San pán to、Siang pán to、It ki hiong
原

Uiruku (Atayal)
英

Sward wound weed
日

おおばにがな、あつばにがな、にがなもどき、おばにがな、さまのるとく

參考文獻

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

特徵描述

生活型

herb

形態特徵

Stems robust, to 90 cm long; cauline leaves few, stem and leaves sparsely covered with minute multicellular scale-like hairs.
Radical leaves broadly oblong to oblong-lanceolate, to 5–25(–55)×0.8–5 cm, apex usually obtuse, base subsessile or petiolate, usually pinnatilobed; cauline leaves 1–3, lanceolate or linear-lanceolate, gradually narrowed to a petiole-like base. Inflorescence many headed, corymbose or pseudo-umbellate.
Heads 8–10 mm across, ca. 10-flowered; peduncle slender, 6–8 mm long. Involucre cylindric, ca. 5 mm long, outer bracts calyculate, 1–1.5 mm long, ovate-lanceolate, inner bracts 8–10, linear-lanceolate, becoming thick-keeled toward base. Florets 8–11; corolla yellow, 6.5–7.5×1.5–2 mm.
achenes narrowly lanceolate, slightly compressed, 4–5 mm long. Pappus 2.5–3 mm long, bristles unequal.
<i>Ixeridium laevigatum</i> is exceedingly variable in plant size and dissection of leaves.

分布

台灣 : widespread from the seacoast to mid elevations, in littoral areas, riversides and on gravelly limestone, 0–2,300 m.
世界 : Southeast Asia, Japan and southern China.

引證標本

TAIPEI: Hopingtao, Leu 1243; Pinglin, Peng 10581. ILAN: Ssuyuan, Peng 5583. TAOYUAN: Peichatienshan, Peng 10116; Paling, Peng 11031. HSINCHU: Hsinfeng, Peng 10383; Hengshan, Wang 765. MIAOLI: Kuanwu to Leshan, Peng 9405. TAICHUNG: Hoping, Shen 467. NANTOU: Tungpu to Kuankao, Peng 8072; Tatachia, Peng 11460. CHIAYI: Alishan, Ho 1138. TAINAN: Yangnu Lake, Chen 530. KAOHSIUNG: Tengchih, Chen 574; Maolin, Chen 625. PINGTUNG: Wutai, Lin 393; Nanjenshan, Wang 510. TAITUNG: Haituan, Yakou, Peng 11708; Lanyu Is., Peng 6721. HUALIEN: Tali to Tatung, Chen 157; Lanshan, Peng 9895.