NC Native Plant Society:
Plant Details
Silphium perfoliatum
Common Cup-plant, Compass-plant
Scientific Name: |
Silphium perfoliatum |
|---|---|
Genus: |
Silphium |
Species Epithet: |
perfoliatum |
Common Name: |
Common Cup-plant, Compass-plant |
Plant Type |
Herb/Wildflower |
Life Cycle |
Perennial |
Plant Family |
Asteraceae (Aster Family) |
Native/Alien: |
NC Native |
Invasive Status: |
(*Key) |
Size: |
3-6 ft. |
Bloom Color(s): |
Yellow |
Light: |
Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day |
Soil Moisture: |
Moist, Wet |
Bloom Time: |
June, July, August |
Growing Area: |
Mountains, Piedmont |
Habitat Description: |
Floodplain forests and openings, sometimes escaped from cultivation. Known from only 8 NC counties, in the Piedmont and Mountains. |
Leaf Arrangement: |
Opposite |
Leaf Retention: |
Deciduous |
Leaf Type: |
Leaves veined, not needle-like or scale-like |
Leaf Form: |
Simple |
Life Cycle: |
Perennial |
Wildlife Value: |
Has some wildlife value |
Landscape Value: |
Suitable for home landscapes |
State Rank: |
S1: Critically imperiled (*Key) |
Global Rank: |
G5 - Secure (*Key) |
State Status: |
SC-V: Special Concern: Vulnerable (*Key) |
Notes: |
Can form clumps and spread. |
|
Opposite, coarsely toothed, rough leaves; the lower and middle leaves fuse to form a "cup" Forsyth County NC (wildflower garden)
Lisa Lofland Gould |
|
|
Cup plant seeds, collected from cultivated plants. Watauga Co., NC
Annkatrin Rose |
|
Links: |
https://auth1.dpr.ncparks.gov/flora/species_account.php https://nc.audubon.org/conservation/bird-friendly-communities/bird-friendly-native-plants https://plants.ces.ncsu.edu/plants/silphium-perfoliatum/ https://gobotany.nativeplanttrust.org/species/silphium/perfoliatum/ |
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