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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
"Loss of habitat and fire suppression have greatly reduced populations." Read more from the South Carolina Plant Conservation Alliance.
Read more about Smooth Purple Coneflower at Vascular Plants of North Carolina.
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.
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Alan S. Weakley asw_210513848455113
May Granville County NC
)
Alan S. Weakley asw_635804665076007
May Granville County NC
)
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).
)
JK Marlow jkm120525_487
May Oconee County SC
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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).
)
Tim Spira tpselaevigata2
May
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Tim Spira tpselaevigata6
May
The species is an eastern sibling of E. purpurea, per Weakley's Flora (2022).
)
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).
)
JK Marlow jkm0406k_07
June Oconee County SC
)
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 (Porcher & Rayner, 2001).
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JK Marlow jkm0506j_08
June Oconee County SC
)
JK Marlow s050716_a
July Oconee County SC
)
JK Marlow jkm0410p_12
October Oconee County SC
The seed platform is conical and has sharp black spines, per All About South Carolina Wildflowers (Midgley, 1999).
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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
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
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!
- All About South Carolina Wildflowers (Midgley, 1999) p146
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p148
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p127
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p385
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p122
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p073
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011) p367
- Wildflowers of the Southern Mountains (Smith, 1998) p206
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