Thursday, September 23, 2010

Tall Sunflower


Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species: H. giganteus

Identifying Characteristics:

- Height: 3-12 feet

- Leaf: opposite on the lower stem, upper alternate, flat, narrow, at least 3 times as long as wide,upper surface rough, lower

- Flower size: flowerheads 2-3 inches across

- Flower color: yellow

- Flowering time: July to October

- Origin: native

Special Adaptions

- Habitat: thickets, swamps, meadows

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