Polygonum filicaule

高山蓼

Polygonum filicaule Wall. ex Meisn.

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

Wall. ex Meisn., Plantae Asiaticae Rariores 3: 59. 1832. (Pl. Asiat. Rar.)

台灣首次記錄發表文獻

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

異名

Polygonum minutum Hayata

Hayata, Flora Montana Formosae 185. pl. 30. 1908. (Fl. Mont. Formos.)
Persicaria minutum (Hayata) Nakai

Nakai, Rigakukai 24: 198. 1926.
Polygonum yatagaianum Mori

Mori, Transactions of the Natural History Society of Formosa 27: 25. 1937. (Trans. Nat. Hist. Soc. Formos.)

各語言俗名

英

Mouniain knotweed.
日

ぼんとくたで. こけたで. つぎたかあつきたで.

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

Perennial ascending herbs, 10–50 cm tall; stems much branched, retrorsely pilose at nodes.
Leaves ovate, 0.5–2 cm long, 0.4–0.9 cm wide, apex acute, base cuneate, both surfaces sericeous; petioles winged, 0.1–0.4 cm long; ocreae tubular, 0.1–0.2 cm long, apex truncate, sericeous, upper margins ciliate.
Inflorescences 3–5-flowered fascicles, terminal and in axils of upper leaves; bracts lanceolate, apex acuminate, upper margins ciliate. Flowers white; pedicels included; perianth segments 5, elliptic, 1–2 mm long, apex obtuse; stamens 8, fertile stamens 3–4; styles 3-cleft, included; nectaries present.
Achenes greenish–brown, trigonous, extruded from perianth, concave, not shining, 1.2–2.5 mm long.

分布

台灣 : in central mountain ranges with altitudes of 3,000 to 3,500 m.
世界 : SW China (including Xizang), NW India, Pakistan, Nepal, Sikkim, Bhutan and Myanmar.