Native & Naturalized Plants of the Carolinas & Georgia


2296

Forb
Perennial

Native: Western US

Documented growing wild in - NC SC

Rare, introduced from further west

Look for it in dry disturbed areas, established around nurseries or plantings, waste areas near wool-combing mills, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade ...Dry

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

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

FRUIT:
Spring/Summer
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Ratibida columnifera   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ratibida columnifera   FAMILY Asteraceae

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

 

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


Click or hover over the thumbnails to see larger pictures.

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.

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

Cypselae [the dry single-seeded fruit of some Aseraceae] oblong, black, per Flora of North America.

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