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(First upload on October 2 2011. Last on January 24 2023) [ 日本語 | English ]

Chenopodium L. (アカザ) Goushu-aritasou (ゴウシュウアリタソウ, 豪州有田草), clammy goosefoot (Tasmanian goosefoot) Life form: weedy, creeping annual < 40 cm high Distribution: native to Australia (exotic to Japan, firstly reported from Kobe in 1933) Category A3 in Hokkaido Blue List 2010, firstly recorded from Hokkaido in 1978 An invasive weed to crop fields, in particular, in Kanto District Habitat: disturbed habitats, e.g., roadsdies, dunes, and arable lands

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Leaf: yellow glands on the backside Seedbank: developed Smell: specific and strong Synonyms: Chenopodium carinatum auct. non R. Br. Dysphania pumilio (R. Br.) Mosyakin et Clemants Teloxys pumilio (R. Br.) W. A. Weber

Chenopodium pumilio in Hokkaido

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[1/2] a creeping patch and close-up of inflorescences at a pedestrian road, East Ward (N11/E2) in the city of Sapporo on August 3 2011. [3/4] at a roadside, N10/E1, Sapporo, on September 4 2013. [5] at a wasteland in N17/W4, North Ward, Sapporo, on September 29 2020. [6] in a wasteland, Kawazoe, Sapporo, on September 25 2022.