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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Mexican Hat at Vascular Plants of North Carolina.
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.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_raco7_001_lvd
)
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).
)
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.
)
JK Marlow jkm140603_393
June Pickens County SC
SC Botanical Garden
)
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.
)
JK Marlow jkm140726_159b
July Greenville County SC
Roadside
Leaf lobes 1-16 mm wide, faces hirsute, gland-dotted, per Flora of North America.
)
JK Marlow jkm140726_161
July Greenville County SC
Roadside
)
JK Marlow jkm140726_163
July Greenville County SC
Roadside
)
JK Marlow jkm140726_164167
July Greenville County SC
Roadside
)
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.
)
Keith Bradley kab_r_columnifera_3577
September Brewster County TX
Big Bend National Park
)
Keith Bradley kab_r_columnifera_3593
September Brewster County TX
Big Bend National Park
)
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
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)
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!
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p122
- Wildflowers of Tennessee (Carman, 2005) p319
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p369
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".