Helianthus petiolaris

Helianthus petiolaris is a North American plant species in the sunflower family, commonly known as the prairie sunflower or lesser sunflower. Naturalist and botanist Thomas Nuttall was the first to describe the prairie sunflower in 1821. The word petiolaris in Latin means, “having a petiole”. The originated in western United States, but has since expanded east. The prairie sunflower is considered a be a weed.

单词	Prairie sunflower
释义	Prairie sunflower 英语百科 Helianthus petiolaris Helianthus petiolaris is a North American plant species in the sunflower family, commonly known as the prairie sunflower or lesser sunflower. Naturalist and botanist Thomas Nuttall was the first to describe the prairie sunflower in 1821. The word petiolaris in Latin means, “having a petiole”. The originated in western United States, but has since expanded east. The prairie sunflower is considered a be a weed.
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Prairie sunflower

Helianthus petiolaris