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 north of Mexico, vol. 19-20-21 (2006)

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 (Radford, Ahles, & Bell, 1968).


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 (Radford, Ahles, & Bell, 1968).

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 (Horn, Cathcart, Hemmerly, & Duhl, 2005).

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 (Radford, Ahles, & Bell, 1968).

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    jkm230812_4983

August    Greenville County    SC

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 (Horn, Cathcart, Hemmerly, & Duhl, 2005).

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 north of Mexico, vol. 19-20-21
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

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

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain, rare in Carolina Coastal Plain)

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

LEAVES:
Simple
Opposite

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

FRUIT:
Summer/Fall
Brown/Blackish
Achene

 

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



 


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