Wild plants in and around Shimane 島根とその周辺の野生植物


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Xanthium canadense / Ooonamomi オオオナモミ

Bloom time: August-November

 Asteraceae /


Species in the genus Xanthium:

Xanthium canadense / Ooonamomi



Xanthium canadense / Ooonamomi オオオナモミ

Xanthium canadense: An originating in North America, annually broadly naturalized in various districts, many with stems tingeing brown-purple, grow to 0.5-2m in height. Leaves, with long peduncles, are of alternate phyllotaxis, in an ovate or broad ovate shape, shallowly cleft halfway in 3-5, with uneven serrations on margins and sandy lower and upper surfaces. Dioecious: Male flower heads put themselves in the inflorescences that have emerged from axils, and female flower heads are at the bases of the male inflorescences. Bloom time: August-November.




inserted by FC2 system