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 pauciflorus ssp. pauciflorus   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus   FAMILY Asteraceae

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

Helianthus pauciflorus ssp. pauciflorus

INCLUDING Gray's Manual of Botany (Fernald, 1950)

Helianthus laetiflorus var. rigidus

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

Helianthus rigidus

 

COMMON NAME:
Stiff Sunflower


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

image of Helianthus pauciflorus ssp. pauciflorus, Stiff Sunflower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_helar_001_lvd

        

image of Helianthus pauciflorus ssp. pauciflorus, Stiff Sunflower

Richard and Teresa Ware    rtw_h_pauciflorus_4

August        

Lvs usually lanceolate to lance-ovate or rhombic-ovate, petiole usually <1cm, per Weakley's Flora (2012).

image of Helianthus pauciflorus ssp. pauciflorus, Stiff Sunflower

Richard and Teresa Ware    rtw_h_pauciflorus_7

August        

A perennial sunflower with leafy stems and red disk flowers, per Weakley's Flora (2012).

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus   FAMILY Asteraceae

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

INCLUDING Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus

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

 

Find by SCIENTIFIC NAME:

3639

Forb
Perennial

Habitat: Prairies, disturbed areas, per Weakley's Flora

Native: northwest of the Carolinas & Georgia

Waif(s)

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
Basal & opposite, or upper alternate

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

FRUIT:
Summer/Fall
Brown
Achene

 

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



 


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