OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Rudbeckia hirta var. hirta   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rudbeckia hirta var. hirta   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Rudbeckia hirta var. hirta

SYNONYMOUS WITH Flora of North America

Rudbeckia hirta var. hirta

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Rudbeckia hirta

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Rudbeckia hirta var. hirta

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-006:

Rudbeckia hirta   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Rudbeckia amplectens

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Rudbeckia brittonii

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Rudbeckia monticola

 

COMMON NAME:
Woodland Black-eyed Susan


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

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_rubr11_001_lvd

        

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm120526_602

May    Spartanburg County    SC

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm0506g_2324

June    Oconee County    SC

Roadside

Stem covered with tiny barbs, thus uncomfortable for insects to climb, per Wildflowers of the Blue Ridge Parkway (Alderman, 1997).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm140603_403

June    Pickens County    SC

SC Botanical Garden

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm140603_409

June    Pickens County    SC

SC Botanical Garden

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm140603_412

June    Pickens County    SC

SC Botanical Garden

Cauline lvs lanceolate, ovate or pandurate, and petiolate or sometimes sessile, per Flora of North America.

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm140615_034

June    Greenville County    SC

Bunched Arrowhead Heritage Preserve

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm140615_034b

June    Greenville County    SC

Bunched Arrowhead Heritage Preserve

Prongs of Y-shaped styles slender & pointed, vs. short & blunt in R. fulgida, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm210603_0935

June    Greenville County    SC

Blackwell Heritage Preserve

The leaves of this hairy plant may be entire or toothed, but not lobed, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm210610_1177

June    Greenville County    SC

Blackwell Heritage Preserve

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm210610_1182

June    Greenville County    SC

Blackwell Heritage Preserve

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

Kevin Adams    kcarudbeckiahirta_30

June    Blount County    TN

10 or more sterile rays, yellow sometimes shading to orange, to 1.5" long, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

Ben Geer Keys    bgk1276_b

July        

Receptacle dark purple or brown, decidedly ovoid or hemispheric, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

Bobbie L Holt    blh1276_a

July    Anderson County    SC

Rays yellow, 3.5-5cm long, often red at base; disc flowers blackish-purple, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm0407g_04

July    Transylvania County    NC

Blue Ridge Parkway

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm080705_013

July    Swain County    NC

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm080705_020

July    Swain County    NC

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm080705_025

July    Swain County    NC

Involucral bracts linear to lanceolate, acute, spreading pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).


click here to see other plants that look similar to this COMPARE involucral bracts of Black-eyed Susan and Cutleaf Coneflower

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm090707_022

July    Avery County    NC

The Roan Highlands

Disk flowers fertile; prongs of the Y-shaped styles slender and pointed, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm090707_026

July    Avery County    NC

The Roan Highlands

Disk florets bloom inward in successive circles of pollinating florets, per Book of Field and Roadside (Eastman, 2003).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

JK Marlow    jkm230720_4665

July    Greenville County    SC

Chestnut Ridge Heritage Preserve

Stems leafy throughout, per Weakley's Flora (2023).

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

Keith Bradley    kab_rudbeckia_hirta_1877

July    Blount County    TN

Great Smoky Mountains National Park

image of Rudbeckia hirta var. hirta, Woodland Black-eyed Susan

Ben Geer Keys    bgk1276_a

July?        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Rudbeckia hirta var. hirta   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Rudbeckia hirta var. hirta   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Rudbeckia hirta var. hirta

SYNONYMOUS WITH Flora of North America
Rudbeckia hirta var. hirta

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Rudbeckia hirta

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Rudbeckia hirta var. hirta

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-006:
Rudbeckia hirta   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia amplectens

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia brittonii

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia monticola

 

Find by SCIENTIFIC NAME:

1276

Forb
Annual/Biennial/Perennial

Habitat: Fields, roadsides, woodlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common

map
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
Basal & alternate

FLOWER:
Spring/Summer
Rays: Yellow
Disc: Blackish-purple
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers sterile

FRUIT:
Spring/Summer
Blackish
Achene

 

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



 


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