Helianthus giganteus
| Helianthus giganteus | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. giganteus |
| Binomial name | |
| Helianthus giganteus L. | |
| Synonyms[1] | |
| |
Helianthus giganteus (giant sunflower or tall sunflower), is a species of Helianthus native to the eastern United States and eastern and central Canada, from Newfoundland west to Alberta south to Minnesota, Mississippi, and South Carolina.[2][3][4]
Helianthus giganteus is a perennial herbaceous plant growing up to 4 m (over 13 feet) tall. The leaves are slender, lanceolate. The flower heads are bright yellow, up to 7 cm (2.8 inches) in diameter. They are most commonly found in valleys with wet meadows or swamps.[5][4]
References
- ↑ The Plant List, Helianthus giganteus L.
- ↑ Germplasm Resources Information Network: Helianthus giganteus
- ↑ Biota of North America Program 2014 county distribution map
- 1 2 Flora of North America, Helianthus giganteus Linnaeus, 1753. Giant or tall sunflower, hélianthe géant
- ↑ Wisconsin Plant of the Week: Helianthus giganteus
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