Native & Naturalized Plants of the Carolinas & Georgia


649

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (uncommon in Coastal Plain, uncommon in NC)

Look for it in woodlands & other sunny or semi-sunny habitats, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade ...Dry

LEAVES:
Simple
Opposite

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

FRUIT:
Summer/Fall
Brown
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Helianthus hirsutus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus hirsutus   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-012:
Helianthus hirsutus   FAMILY Asteraceae

 

COMMON NAME:
Hairy Sunflower, Rough Sunflower


Click or hover over the thumbnails to see larger pictures.

image of Helianthus hirsutus

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hehi2_001_lvd

        

image of Helianthus hirsutus

JK Marlow    jkm140711_759760

July    Greenville County    SC

Swamp Rabbit Trail

image of Helianthus hirsutus

JK Marlow    jkm140711_766

July    Greenville County    SC

Swamp Rabbit Trail

Leaves similar to H. divaricatus, but rough on upper surface, short-petioled, per Wildflowers of the Southern Mountains.

image of Helianthus hirsutus

JK Marlow    jkm140711_768b

July    Greenville County    SC

Swamp Rabbit Trail

Stem hirsute. Phyllaries lanceolate, usually loose, spreading, not reflexed, per Flora of North America.


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

image of Helianthus hirsutus

Richard and Teresa Ware    rtw_h_hirsutus_hairy_7

July        

Leaves with 3 primary veins from the base, coarsely hairy on both sides, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Helianthus hirsutus

Richard and Teresa Ware    rtw_h_hirsutus_hairy_s

July        

Ray florets 10-15. Disc florets' lobes yellow; anthers dark brown or black, per Flora of North America.

image of Helianthus hirsutus

JK Marlow    jkm090808_011

August    Floyd County    GA

Leaves truncate to broadly rounded at base, shortly but distinctly petiolate, per Weakley's Flora.


click here to see other plants that look similar to this COMPARE leaves of Hairy Sunflower and Woodland Sunflower

image of Helianthus hirsutus

JK Marlow    jkm140804_365

August    Greenville County    SC

Swamp Rabbit Trail

image of Helianthus hirsutus

JK Marlow    jkm140804_366

August    Greenville County    SC

Swamp Rabbit Trail

image of Helianthus hirsutus

JK Marlow    jkm140804_367

August    Greenville County    SC

Swamp Rabbit Trail

Leaves thick, scabrous above, pubescent at least on the veins beneath, per Vascular Flora of the Carolinas.

image of Helianthus hirsutus

JK Marlow    jkm140822_923

August    Greenville County    SC

Swamp Rabbit Trail

Leaves triplinerved, with a prominent lateral pair of veins near the base, per Weakley's Flora.

image of Helianthus hirsutus

Richard and Teresa Ware    rtw_helianthus_hirsutus_c

September        

image of Helianthus hirsutus

JK Marlow    jkm141023_245

October    Greenville County    SC

Swamp Rabbit Trail