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 asteriscus var. trifoliatum   FAMILY Asteraceae   Go to FSUS key



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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-006:

Silphium trifoliatum   FAMILY Asteraceae

 

COMMON NAME:
Whorled Rosinweed


 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silphium asteriscus var. trifoliatum   FAMILY Asteraceae

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-006:
Silphium trifoliatum   FAMILY Asteraceae

 

Find by SCIENTIFIC NAME:

2910

Forb
Perennial

Habitat: woodlands, roadsides, river scours, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon (rare in Coastal Plain)

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

LEAVES:
Simple
Whorls of 3 (rarely opposite)

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Flower heads with 11-16 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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