OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Helianthus pauciflorus ssp. pauciflorus   FAMILY Asteraceae   NEW! Click to go to FSUS key


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

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 (11/30/12):
Helianthus pauciflorus ssp. pauciflorus   FAMILY Asteraceae

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

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

Native: north & west of the Carolinas & Georgia

Documented growing wild in GA - -

Rare

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

map
NEW! Click here to see a range map (and maybe identification notes) 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
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
Inferior ovary

FRUIT:
Summer/Fall
Brown
Achene

 

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



 


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