OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Silphium asteriscus var. latifolium   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silphium trifoliatum var. latifolium   FAMILY Asteraceae

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

Silphium asteriscus var. latifolium

SYNONYMOUS WITH Tennessee Flora Committee (2015)

Silphium glabrum

SYNONYMOUS WITH Floristic synthesis of North America. BONAP (Kartesz, 2010)

Silphium asteriscus var. latifolium

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)

Silphium asteriscus var. latifolium

INCLUDED WITHIN Guide to the Vascular Plants of the Blue Ridge (Wofford, 1989)

Silphium trifoliatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-007:

Silphium laevigatum   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Silphium glabrum

 

COMMON NAME:
Whorled Rosinweed


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

image of Silphium asteriscus var. latifolium, Whorled Rosinweed

Richard and Teresa Ware    rtw_s_asteriscus_latifo_4

June        

Ray flowers 12-20 per head, per Weakley's Flora (2012).

image of Silphium asteriscus var. latifolium, Whorled Rosinweed

Richard and Teresa Ware    rtw_s_trifoliatum_latif_1

July        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Silphium asteriscus var. latifolium   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silphium trifoliatum var. latifolium   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Silphium asteriscus var. latifolium

SYNONYMOUS WITH Tennessee Flora Committee (2015)
Silphium glabrum

SYNONYMOUS WITH Floristic synthesis of North America. BONAP (Kartesz, 2010)
Silphium asteriscus var. latifolium

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
Silphium asteriscus var. latifolium

INCLUDED WITHIN Guide to the Vascular Plants of the Blue Ridge (Wofford, 1989)
Silphium trifoliatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-007:
Silphium laevigatum   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Silphium glabrum

 

Find by SCIENTIFIC NAME:

3790

Forb
Perennial

Habitat: woodlands, roadsides, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in GA Piedmont (rare elsewhere in GA-NC-SC)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Mostly opposite

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Flower heads with 12-17 ray flowers, notched at apex
Inferior ovary
Disc flowers functionally staminate/ Ray flowers pistillate & fertile

FRUIT:
Summer/Fall
Achene

 

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



 


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