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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:

T: Threatened (*Key)

Notes:

Can form clumps and spread.

No Pictures Yet - Submit One!

Links:

USDA PLANTS Database Record

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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