Persicaria nepalensis

野蕎麥

Persicaria nepalensis (Meisn.) H.Gross

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

H.Gross. 1913. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 49: 277. (Bot. Jahrb. Syst.)

異名

Polygonum nepalense Meisn.

Kudo & Masam. 1932. Annual report of the Taihoku botanic garden, Faculty of Science and Agriculture, Taihoku Imperial Univeristy , Formosa, Japan 2: 52. (Ann. Rep. Taihoku Bot. Gard.)
Polygonum quadrifidum Hayata

Hayata. 1911. Materials for a flora of Formosa 233. (Mat. Fl. Formos.)

各語言俗名

中

野蕎麥、尼泊爾蓼、蕎麥莧
原

Yakogutu (Paiwan)
英

Wild buckwheat
日

たにそば

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. 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, 15–40 cm tall; stems much branched, glabrous; nodes base retrorsely glandular pubescent, slightly enlarged.
Leaves ovate, 1.5–5 cm long, 0.5–2 cm wide, apex acute to acuminate, base attenuate, both surfaces loosely to moderately pilose, lower surface glandular; petioles winged, 0.4–1 cm long; ocreae tubular, 0.3–0.5 cm long, glabrous, pilose at base, upper margins eciliate.
Inflorescences 1–3-flowered fascicles in corymb, terminal or axillary, densely flowered, 1.5–3 cm long; peduncles glandular pubescent, 0.5–2 cm long; bracts lanceolate, glabrous, apex acuminate, upper margins eciliate. Flower white to pink; pedicels included; perianth segments 4 to 5, elliptic, 3–5 mm long, apex acute; stamens 5–6; styles 2-cleft, included.
Achenes dark brown, lenticular, punctate, not shining, ca. 2 mm long.

分布

台灣 : in wet and shady places at altitudes between 1,500 and 2,700 m.
世界 : Tropical N Africa, Pakistan, India, the Himalayas, China (except Xinjiang), Thailand, Indonesia, Malaysia, New Guinea, the Philippines, Korea, Japan and Russian Far East.

引證標本

MIAOLI: Hsiaohsuehshan, Wang et. al. 4971. NANTOU: Yunghai, Huang 1159. CHIAYI: Tungpu, Hsu 3953. PINGTUNG: Huang 7454. HUALIEN: Panpien, Shimizu 11362.