Native & Naturalized Plants of the Carolinas & Georgia


654

Forb
Perennial

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

Uncommon (rare in GA Coastal Plain)

Look for it in woodlands, thickets, roadsides, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Lower opposite, upper usually alternate

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!



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

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus resinosus   FAMILY Asteraceae

SYNONYMOUS WITH (MISAPPLIED) VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-018:
Helianthus tomentosus   FAMILY Asteraceae

 

COMMON NAME:
Hairy Sunflower, Resinous Sunflower, Gray Sunflower


Click or hover over the thumbnails to see larger pictures.

image of Helianthus resinosus

JK Marlow    jkm0307l_35

July    Greenville County    SC

Roadside

May grow 3-6' tall, per Wild Flowers of NC, 1st edition.

image of Helianthus resinosus

JK Marlow    jkm0307l_37

July    Greenville County    SC

Roadside

image of Helianthus resinosus

JK Marlow    jkm060723_146

July    Transylvania County    NC

Blue Ridge Parkway

Involucres 3-5cm broad; bracts lanceolate, acuminate, spreading, 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 resinosus

JK Marlow    jkm0408b_29

August    Transylvania County    NC

Blue Ridge Parkway

image of Helianthus resinosus

JK Marlow    jkm0508g_31

August    Greenville County    SC

Flowers have about 12 wide, overlapping, 1.5" rays & a disk up to 1" across, per Wildflowers of the Southern Mountains.

image of Helianthus resinosus

JK Marlow    jkm120812_392

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus resinosus

JK Marlow    jkm120812_396

August    Greenville County    SC

Ashmore Heritage Preserve

Stems pubescent throughout, per Weakley's Flora.

image of Helianthus resinosus

JK Marlow    jkm120812_401402

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus resinosus

JK Marlow    jkm130824_623

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus resinosus

JK Marlow    jkm130824_628

August    Greenville County    SC

Ashmore Heritage Preserve

Leaves tomentose beneath and velvety to the touch, or not, per Vascular Flora of the Carolinas.

image of Helianthus resinosus

JK Marlow    jkm130824_633

August    Greenville County    SC

Ashmore Heritage Preserve

image of Helianthus resinosus

JK Marlow    jkm130824_636

August    Greenville County    SC

Ashmore Heritage Preserve

Petioles obscured by decurrent leaf blade, per Vascular Flora of the Carolinas.

image of Helianthus resinosus

JK Marlow    jkm150814_746

August    Jackson County    NC

Whiteside Mountain

image of Helianthus resinosus

JK Marlow    jkm160816_532

August    Oconee County    SC

image of Helianthus resinosus

JK Marlow    jkm0509e_29b

September    Greenville County    SC

Phyllaries attenuate, conspicuously exceeding disc in length, reflexed, per Weakley's Flora.

image of Helianthus resinosus

JK Marlow    s050911_ef

September    Greenville County    SC

Ovate or lance-ovate blade with a broadly winged, gradually narrowed petiole, per Weakley's Flora.

image of Helianthus resinosus

JK Marlow    s070930_ab

September    Greenville County    SC

Ashmore Heritage Preserve

Two lower veins prominent and parallel to the midrib, per Vascular Flora of the Carolinas.