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):
Ratibida columnifera   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ratibida columnifera   FAMILY Asteraceae

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

Ratibida columnifera

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

Ratibida columnifera

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

Ratibida columnaris

 

COMMON NAME:
Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower


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

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_raco7_001_lvd

        

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140603_390

June    Pickens County    SC

SC Botanical Garden

This is being introduced into Tennessee by roadside wildflower planting, per Wildflowers of Tennessee (Carman, 2005).

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140603_390b

June    Pickens County    SC

SC Botanical Garden

Corollas of disc florets greenish yellow, often purplish distally, per Flora of North America.

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140603_393

June    Pickens County    SC

SC Botanical Garden

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140603_399

June    Pickens County    SC

SC Botanical Garden

Leaves pinnatifid, lobes narrowly linear-lanceolate to narrowly oblong-ovate, per Flora of North America.

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140726_159b

July    Greenville County    SC

Roadside

Leaf lobes 1-16 mm wide, faces hirsute, gland-dotted, per Flora of North America.

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140726_161

July    Greenville County    SC

Roadside

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140726_163

July    Greenville County    SC

Roadside

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

JK Marlow    jkm140726_164167

July    Greenville County    SC

Roadside

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

Steve Marlow    snm_ratibida_macro5_033

July    Greenville County    SC

Roadside

Ray florets 4-12, yellow, purplish-yellow or maroon, sometimes bicolor, per Flora of North America.

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

Keith Bradley    kab_r_columnifera_3577

September    Brewster County    TX

Big Bend National Park

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

Keith Bradley    kab_r_columnifera_3593

September    Brewster County    TX

Big Bend National Park

image of Ratibida columnifera, Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

Keith Bradley    kab_r_columnifera_3594

September    Brewster County    TX

Big Bend National Park

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ratibida columnifera   FAMILY Asteraceae

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Ratibida columnifera

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

 

Find by SCIENTIFIC NAME:

2296

Forb
Perennial

Habitat: Prairies, eastwards in dry disturbed areas, established around nurseries or plantings, waste areas near wool-combing mills, per Weakley's Flora

Native: Western US

Waif(s)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple: 1-2-pinnatifid to pinnately divided into 3-14 segments
Alternate
Leaves have petioles.

FLOWER:
Spring/Summer/Fall
Rays: Yellow marked with brownish-red
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers neuter

FRUIT:
Spring/Summer/Fall
Achene

 

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



 


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