Native & Naturalized Plants of the Carolinas & Georgia


1278

Forb
Perennial

Native: south central US
Documented growing wild in - - SC

Rare, cultivated & rarely persisting

Look for it on disturbed ground, per Weakley's Flora

map
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LEAVES:
Simple
Alternate

FLOWER:
Summer
Rays: Yellow
Disc: Maroon
Disc flowers bisexual & fertile/ Ray flowers sterile
Inferior ovary

FRUIT:
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):
Rudbeckia maxima   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rudbeckia maxima   FAMILY Asteraceae

 

COMMON NAME:
Giant Coneflower


Click or hover over the thumbnails to see larger pictures.

image of Rudbeckia maxima

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_ruma3_001_lvd

        

image of Rudbeckia maxima

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_ruma3_007_lvd

        

image of Rudbeckia maxima

JK Marlow    jkm0406b_02

June    York County    SC

Daniel Stowe Botanical Garden

Disc 4-8cm at maturity, per Wildflowers of the Eastern United States.

image of Rudbeckia maxima

JK Marlow    jkm0406b_04

June    York County    SC

Daniel Stowe Botanical Garden

Leaves strongly blue-green and glaucous, the largest 7-16cm wide, per Weakley's Flora.