OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus annuus   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus annuus   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Helianthus annuus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-022:

Helianthus annuus   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Helianthus annuus

 

COMMON NAME:
Common Sunflower, Mirasol


         To see larger pictures, click or hover over the thumbnails.

image of Helianthus annuus, Common Sunflower, Mirasol

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hean3_001_lvd

        

image of Helianthus annuus, Common Sunflower, Mirasol

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_hean3_014_lvd

        

image of Helianthus annuus, Common Sunflower, Mirasol

USDA / Selected Weeds of the US. 1970    swus_page_419

        

image of Helianthus annuus, Common Sunflower, Mirasol

JK Marlow    jkm130614_249

June    Spartanburg County    SC

Leaves triangular-ovate, acute to acuminate, serrate, base truncate to cordate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Helianthus annuus, Common Sunflower, Mirasol

JK Marlow    jkm100704_005

July    Greenville County    SC

This is the common cultivated sunflower grown for its flowers, seeds, and oil, per Weakley's Flora.

image of Helianthus annuus, Common Sunflower, Mirasol

JK Marlow    jkm100704_007b

July    Greenville County    SC

Involucral body 2-10cm+ broad; bracts ovate abruptly long-acuminate, spreading, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).


click here to see other plants that look similar to this COMPARE involucral bracts of Sunflowers

image of Helianthus annuus, Common Sunflower, Mirasol

JK Marlow    jkm100704_007c

July    Greenville County    SC

image of Helianthus annuus, Common Sunflower, Mirasol

Alan S. Weakley    asw_10232214919371740

August        

image of Helianthus annuus, Common Sunflower, Mirasol

Alan S. Weakley    asw_10232214921251787

August        

image of Helianthus annuus, Common Sunflower, Mirasol

Alan S. Weakley    asw_10232214967212936

August        

image of Helianthus annuus, Common Sunflower, Mirasol

JK Marlow    jkm210806_2453

August    Spartanburg County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus annuus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus annuus   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Helianthus annuus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-022:
Helianthus annuus   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus annuus

 

Find by SCIENTIFIC NAME:

3388

Forb
Annual

Habitat: Disturbed areas, often cultivated in gardens, sometimes cultivated in fields, per Weakley's Flora

Native: to the Plains states

Uncommon

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Lower opposite, upper alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Reddish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile

FRUIT:
Summer/Fall
Striped
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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