OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (4/24/22):
Silphium perfoliatum   FAMILY Asteraceae   NEW! Click to go to FSUS key


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

SYNONYMOUS WITH Flora of North America
Silphium perfoliatum var. perfoliatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-001:
Silphium perfoliatum   FAMILY Asteraceae

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

 

COMMON NAME:
Common Cup-plant, Indian Cup


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

image of Silphium perfoliatum, Common Cup-plant, Indian Cup

JK Marlow    jkm0305o_19

May    Haywood County    NC

Corneille Bryan Native Garden

Stem with many leaves, leaves similar in size, the upper leaves fused basally, per Weakley's Flora.

 

WEAKLEY'S FLORA (4/24/22):
Silphium perfoliatum   FAMILY Asteraceae

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

SYNONYMOUS WITH Flora of North America
Silphium perfoliatum var. perfoliatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-001:
Silphium perfoliatum   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

1387

Forb
Perennial

Native to North Carolina

Uncommon in NC

Habitat: floodplain forests and openings, sometimes escaped from cultivation, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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
Opposite (connate-perfoliate)

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Flower heads with 17-35 ray flowers, notched at apex
Inferior ovary

FRUIT:
Summer/Fall
Achene

 

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



 


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