Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rudbeckia triloba var. triloba
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Rudbeckia at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Rudbeckia triloba var. triloba
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America
Rudbeckia triloba var. triloba
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-005:
Rudbeckia triloba FAMILY Asteraceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia triloba
COMMON NAME:
Common Three-lobed Coneflower, Brown-eyed Susan, Thin-Leaved Coneflower
To see larger pictures, click or hover over the thumbnails.
)
Bobbie L Holt blh1281_a
May Anderson County SC
Carolina Wild Native Plant Nursery
)
JK Marlow jkm060716_112
July Rutherford County NC
Chimney Rock Park
)
Keith Bradley kab_r_triloba_1822
July Blount County TN
Great Smoky Mountains National Park
)
Richard and Teresa Ware rtw_rudbeckia_triloba_8
July
)
JK Marlow jkm140809_431
August Greenville County SC
In cultivation
)
JK Marlow jkm140809_434
August Greenville County SC
In cultivation
Rays yellow, 1.5-3cm long; disc flowers blackish-purple, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm140809_437
August Greenville County SC
In cultivation
Stems terete, ribbed, spreading pubescent to glabrous, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm140809_440
August Greenville County SC
In cultivation
At least some leaves on a plant 3-lobed, per Weakley's Flora (2012).
)
JK Marlow jkm140823_084
August Greenville County SC
In cultivation
Involucral bracts linear, 5-12mm long, spreading to reflexed, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
involucral bracts of Black-eyed Susan and Cutleaf Coneflower
)
JK Marlow jkm140823_089
August Greenville County SC
In cultivation
)
Richard and Teresa Ware rtw_rudbeckia_triloba_18
August
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rudbeckia triloba var. triloba
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Rudbeckia triloba var. triloba
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America
Rudbeckia triloba var. triloba
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-005:
Rudbeckia triloba
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia triloba
1281
Forb
Perennial
Habitat: Moist forests and rock outcrops, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in GA Mountains (rare elsewhere in GA-NC-SC)
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
Alternate
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Blackish-purple
Disc flowers bisexual & fertile/ Ray flowers sterile
Inferior ovary
FRUIT:
Summer/Fall
Blackish
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p239
- Gardening with Native Plants of the South (Wasowski & Wasowski, 1994, 2020) p165
- Gardening with the Native Plants of Tennessee (Hunter, 2002) p165
- Newcomb's Wildflower Guide (Newcomb, 1977) p374
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p305
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p271
- Wildflowers of Tennessee (Carman, 2005) p321
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p372?
- Wildflowers of the Southern Mountains (Smith, 1998) p189