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Helianthus annuus

Helianthus annuus L.

Helianthus annuus L. ssp. jaegeri (Heiser) Heiser

Helianthus annuus L. ssp. lenticularis (Douglas ex Lindl.) Cockerell

Helianthus annuus L. ssp. texanus Heiser

Helianthus annuus L. var. lenticularis (Douglas ex Lindl.) Steyerm.

Helianthus annuus L. var. macrocarpus (DC.) Cockerell

Helianthus annuus L. var. texanus (Heiser) Shinners

Helianthus aridus Rydb.

Helianthus lenticularis Douglas ex Lindl.

Sunflower

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusHelianthusFrom Greek helios, “sun,” and anthos, “flower,” because it was believed that sunflowers turn to follow the sun
Speciesannuus“Annual,” a plant that lives for a single season

About plant names...

[An article has not been written yet.]

Helianthus annuus description by Thomas H. Kent, last updated 11 Apr 2011.

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Helianthus annuus (Sunflower)

8/27/2014 · Sandy Walk, Petroglyph National Monument, NM
≈ 6 × 6" (14 × 15 cm) ID is uncertain

Helianthus annuus (Sunflower)

8/27/2014 · Sandy Walk, Petroglyph National Monument, NM
≈ 9 × 6" (22 × 16 cm) ID is uncertain

Helianthus annuus (Sunflower)

9/21/2008 · Camden, ME
≈ 15 × 10" (38 × 25 cm) ID is uncertain

Range:

About this map...