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 laciniatum   FAMILY Asteraceae   Go to FSUS key



INCLUDING PLANTS NATIONAL DATABASE:
Silphium laciniatum var. laciniatum   FAMILY Asteraceae

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

Silphium laciniatum

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

Silphium laciniatum

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Silphium laciniatum var. laciniatum

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Silphium laciniatum var. robinsonii

 

COMMON NAME:
Compassplant


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

image of Silphium laciniatum, Compassplant

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_sila3_001_lvd

        

 

 

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

INCLUDING PLANTS NATIONAL DATABASE:
Silphium laciniatum var. laciniatum   FAMILY Asteraceae

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

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

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Silphium laciniatum var. laciniatum

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Silphium laciniatum var. robinsonii

 

Find by SCIENTIFIC NAME:

2909

Forb
Perennial

Habitat: Prairies, limestone barrens, calcareous glades, also sometimes cultivated (including outside of its native distribution), per Weakley's Flora

Native west of the Carolinas & Georgia

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: Pinnately divided
Alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Flower heads with 27-38 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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