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):
Echinacea laevigata   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Echinacea laevigata   FAMILY Asteraceae

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

Echinacea laevigata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-62-002:

Echinacea laevigata   FAMILY Asteraceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Echinacea purpurea var. laevigata

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Echinacea laevigata

 

COMMON NAME:
Smooth Coneflower, Smooth Purple Coneflower


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

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

Alan S. Weakley    asw_210513848455113

May    Granville County    NC

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

Alan S. Weakley    asw_635804665076007

May    Granville County    NC

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm120525_444

May    Oconee County    SC

Involucral bracts obscurely in 2 series, acute to acuminate, reflexed, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm120525_487

May    Oconee County    SC

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm120525_491

May    Oconee County    SC

Leaves lance-ovate to elliptic, glabrous & smooth, base cuneate to attenuate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

Tim Spira    tpselaevigata2

May        

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

Tim Spira    tpselaevigata6

May        

The species is an eastern sibling of E. purpurea, per Weakley's Flora (2022).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm0406j_37

June    Oconee County    SC

The disc at first flat, becoming obconic [cone-shaped] in age, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm0406k_07

June    Oconee County    SC

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm0506j_01

June    Oconee County    SC

Flower heads solitary & terminal; ray flowers drooping; disc flowers purple, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm0506j_08

June    Oconee County    SC

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

JK Marlow    jkm231024_6196

October    Oconee County    SC

The seed platform is conical and has sharp black spines, per All About South Carolina Wildflowers (Midgley, 1999).

image of Echinacea laevigata, Smooth Coneflower, Smooth Purple Coneflower

Patrick D. McMillan    pdmelaevigata_br5

Month Unknown        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Echinacea laevigata   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Echinacea laevigata   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Echinacea laevigata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-62-002:
Echinacea laevigata   FAMILY Asteraceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Echinacea purpurea var. laevigata

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Echinacea laevigata

 

Find by SCIENTIFIC NAME:

499

Forb
Perennial

Habitat: Open woodlands and glades over mafic or calcareous rocks, such as diabase, limestone, and dolostone, rarely in oak-pine savannas of the upper Coastal Plain over circumneutral clay sediments, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

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
Alternate & basal
Leaves have petioles.

FLOWER:
Spring/Summer
Rays: Pink
Disc: Purplish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers neuter

FRUIT:
Spring/Summer
Achene

 

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



 


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