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(First upload on August 31 2011. Last on November 6 2020) [ 日本語 | English ]

Euphorbia L. (トウダイグサ) Konishikisou (コニシキソウ, 小錦草), spotted sandmat Life form: ruderal annual forb Distribution: north America (exotic to Japan, probably introduced in Meiji Era) Habitat: roadsides, cropfields, etc. Seed dispersal: animal (ant) by elaiosome

Synonyms: Chamaesyce maculata (L.) Small, the standard Chamaesyce supina (Raf.) Moldenke Euphorbia maculata L. (Euphorbia maculata auct. non L. is different species)

Euphorbia supina in Hokkaido

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[1/2] at an unpaved parking lot, N27/W2, East Ward, Sapporo, on July 15 2011. [3/4] near Nosawa Clinic at N17/E1, East Ward, Sapporo, on October 5 2011. [5] at a roadside, N14/W4, North Ward, Sapporo, on September 9 2013. [6] at a wasteland in N21/E2, East Ward, Sapporo, on September 30 2020.