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common sunflower |
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Helianthus annuus |
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| Taxonomy | Family: |
Asteraceae (aster) |
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Subfamily: |
Asteroideae |
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Supertribe: |
Helianthodae |
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Tribe: |
Heliantheae (sunflower) |
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| Nativity | Native |
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| Status |
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| Habitat | Moist, low ground. Disturbed sites. Full sun. |
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| Flowering | July to September |
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| Flower Color | Yellow ray florets, reddish-brown to purple disk florets |
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| Height | |||||||
| Identification | The leaves may be heart-shaped or triangular. The upper and lower leaf surfaces are rough to the touch. The wild form is branched with many flower heads. The cultivated form is typically unbranched and has a single flower head. |
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| Similar Species |
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| Range |  |
Sources: 2, 3, 5, 7. | |||||
| Sightings | |||||||
| Comments | This is the state plant of Kansas. |
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| Images | |||||||
| Plant |  |
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| Inflorescence |  |
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| Flower Head | |
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| Leaves |  |
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| Stem |  |
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| Petiole |  |
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| Synonyms | Helianthus annuus ssp. jaegeri Helianthus annuus ssp. lenticularis Helianthus annuus var. lenticularis Helianthus annuus var. macrocarpus Helianthus annuus var. texanus Helianthus annuus ssp. texanus Helianthus aridus Helianthus lenticularis |
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| Common Names |
annual sunflower common sunflower Kansas sunflower mirasol garden sunflower sunflower wild sunflower |
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