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):
Silphium simpsonii   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silphium simpsonii   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Silphium asteriscus var. simpsonii

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

Silphium asteriscus var. simpsonii

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

Silphium simpsonii

INCLUDED WITHIN (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)

Silphium gracile

 

COMMON NAME:
Simpson's rosinweed


NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silphium simpsonii   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silphium simpsonii   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Silphium asteriscus var. simpsonii

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Silphium asteriscus var. simpsonii

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

INCLUDED WITHIN (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)
Silphium gracile

 

Find by SCIENTIFIC NAME:

3791

Forb
Perennial

Habitat: Longleaf pinelands, per Weakley's Flora

Native to South Carolina & Georgia

Uncommon in GA, rare in SC

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

LEAVES:
Simple
Opposite or alternate (basal leaves persistent)

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Flower heads with 10-15(20) 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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