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(Upload on October 10 2015) [ 日本語 | English ]

Tithonia rotundifolia (Mill.) S. F. Blake






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Tithonia Desf. ex Juss. (ニトベギク)
Mekishikohimawari (メキシコヒマワリ, 墨西哥向日葵), Mexican sunflower, or clavel de muerto
Lifeform: annual/perennial forb, occasionally becoming 4 m tall
Distribution: native to Florida, Louisiana, Mexico, Central America and the West Indies
Habitat: sunny and dry/medium
Leaf: deltoid to lanceolate, occasionally lobed
Synonyms:

Tagetes rotundifolia Mill.
Tithonia speciosa (Hook.) Griseb.
Helianthus speciosus Hook.

Use: gardening (called genus name for commercial use)
索引

Tithonia rotundifolia in Hokkaido


ST1 ST2 ST3
[1-3] at a bridge on Sosei River, N10/W1, Sapporo, on September 9 2015.

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