Polygonum plebeium

假扁蓄

Polygonum plebeium R. Brown

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

R. Brown. 1810. Prodromus Florae Novae Hollandiae 1: 420. (Prodr. Fl. Nov. Holl.)

台灣首次記錄發表文獻

Forbes & Hemsl. 1891. The journal of the Linnean Society of London. Botany 26: 346. (J. Linn. Soc., Bot.)

各語言俗名

中

假扁蓄、節花路蓼、鐵馬齒莧
英

Joint-flowered knotweed
日

ひめみちやなぎ

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh. 2010. Taiwania 55(2): 153.
Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
Chang-Yang, Su, Chiang & Hsieh. 2022. Taiwania 67(1): 1.

特徵描述

生活型

herb

形態特徵

Annual procumbent herbs, 7–20 cm tall; stems much branched, spreading, grooved, glabrous.
Leaves subsessile, oblong to narrowly oblanceolate, 0.5–2 cm long, 0.1–0.4 cm wide, apex acute to obtuse, base cuneate to narrowly cuneate, both surfaces glabrous, papillose; ocreae tubular, 0.2–0.3 cm long, glabrous, not conspicuously nerved, upper margins lacerate.
Inflorescence 2–6-flowered fascicles in axils of upper leaves; bracts lacerate, glabrous. Flowers white to pink; pedicels included; perianth segments 5, elliptic, 1–2 mm long, apex obtuse; stamens 5–6; styles 3-cleft, included; nectaries absent.
Achenes dark brown to black, trigonous, smooth, shining, ca. 1 mm long.

分布

台灣 : in sunny fields at lower altitudes, throughout the island.
世界 : India, Nepal, Myanmar, Thailand, China (except Xinjiang), Russian Far East, Japan (Tanegashima, Yakushima & the Ryukyus), the Philippines, Indonesia, Africa and Australia.

引證標本

TAIPEI: Hsintien, Huang 5335. ILAN: Nanaw, Hsu 530. TAOYUAN: Yangmei, Peng 3108. MIAOLI: Yuanli, Jeng 476. TAICHUNG: Lishan, Kuo s n. 1977. CHYAYI: Lantan, Kuo 30. KAOHSIUNG: Neiwepi, Kuo 292. PINGTUNG: Shiaoliuchiu, Yang 2467.