Polygonum pilushanense

畢祿山蓼

endemic

Polygonum pilushanense Liu & Ou

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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Liu & Ou, Quarterly journal of Chinese forestry 9(2): 123. 1976. (Quart. J. Chin. For., 中華林學季刊)

同發表文獻

Polygonum chinense L. var. glacile Suzuki

Suzuki, Annual report of the Taihoku botanic garden, Faculty of Science and Agriculture, Taihoku Imperial Univeristy , Formosa, Japan 1: 138. 1931. (Ann. Rep. Taihoku Bot. Gard., 台北帝國大學理農學部附屬植物園年報)

herb

Ascending herbs; stems branched, glabrous to loosely pilose.
Leaves ovate, 3–8 cm long, 1.5–4 cm wide, apex acuminate, base truncate to weakly cordate, both surfaces loosely to moderately pilose, lower surface minutely glandular; petioles narrowly winged, 0.5–1.5 cm long; ocreae tubular, 0.5–0.7 cm long, apex truncate, pilose, upper margins ciliate.
Inflorescences 4–8-flowered fascicles in corymb, terminal or axillary, densely flowered; peduncles glandular pubescent, 1–1.5 cm long; bracts lanceolate, glabrous, apex acuminate, upper margins eciliate. Flowers white; pedicels included; perianth segments 5, oblong, 4–5 mm long; stamens 8; styles 3-cleft, included; nectaries present.
Achenes dark brown to black, trigonous, rough, not shining, 3–4mm long.