OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus laevigatus   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus laevigatus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Helianthus laevigatus

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

Helianthus laevigatus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Helianthus laevigatus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-016:

Helianthus laevigatus   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Helianthus laevigatus

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Helianthus reindutus

 

COMMON NAME:
Smooth Sunflower, Shale-barren Sunflower


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

image of Helianthus laevigatus, Smooth Sunflower, Shale-barren Sunflower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hela2_001_lvd

        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus laevigatus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus laevigatus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus laevigatus

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

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthus laevigatus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-016:
Helianthus laevigatus   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus laevigatus

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus reindutus

 

Find by SCIENTIFIC NAME:

3391

Forb
Perennial

Habitat: On dry, rocky or shaly soils, on roadbanks, powerline rights-of-way, open woodlands, in the Carolinas nearly limited to the Carolina Slate Belt, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in NC Piedmont (rare elsewhere in GA-NC-SC)

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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