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 microcephalus   FAMILY Asteraceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus microcephalus   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Helianthus microcephalus

INCLUDED WITHIN Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus microcephalus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-015:
Helianthus microcephalus   FAMILY Asteraceae

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

 

COMMON NAME:
Small Wood Sunflower, Small-headed Sunflower


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

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hemi3_001_lvd

        

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm200531_5451

May    Greenville County    SC

Roadside

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120812_376

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120812_380

August    Greenville County    SC

Ashmore Heritage Preserve

Involucres 0.7-1cm long, bracts lanceolate, usually spreading apically, per Vascular Flora of the Carolinas.


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

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120812_380b

August    Greenville County    SC

Ashmore Heritage Preserve

Helianthus disc flowers have styles that are bifurcate [two-forked], per www.missouriplants.com

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120812_383

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120812_389

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120814_557

August    Greenville County    SC

Leaves pubescent beneath, at least on the midrib, per Vascular Flora of the Carolinas.

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm120814_558

August    Greenville County    SC

Leaves mostly scabrous above, resin-dotted, abruptly narrowed to a petiole, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm130824_639

August    Greenville County    SC

Ashmore Heritage Preserve

Involucre body 6-13mm broad, per Vascular Flora of the Carolinas.

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm130824_646

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm130824_649

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm130824_651

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm130824_654

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm0409b_35b

September    Greenville County    SC

Roadside

Heads small, with 5-8 ray flowers, numerous, on long slender stalks, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm180906_4600

September    Greenville County    SC

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    jkm200907_7107

September    Greenville County    SC

image of Helianthus microcephalus, Small Wood Sunflower, Small-headed Sunflower

JK Marlow    s040901_a

September    Greenville County    SC

Roadside

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus microcephalus   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Helianthus microcephalus

INCLUDED WITHIN Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus microcephalus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-015:
Helianthus microcephalus   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

650

Forb
Perennial

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain, rare in NC-SC Coastal Plain)

Habitat: Dry woodlands and roadbanks, per Weakley's Flora

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
Opposite

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

FRUIT:
Summer/Fall
Brown/Blackish
Achene

 

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



 


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