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NC Native Plant Society:
Plant Details

Helianthus decapetalus

Thinleaf Sunflower, Forest Sunflower

Scientific Name:

Helianthus decapetalus

Genus:

Helianthus

Species Epithet:

decapetalus

Common Name:

Thinleaf Sunflower, Forest Sunflower

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Asteraceae (Aster Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

1-3 ft., 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

Bloom Time:

July, August, September, October

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Mesic woodlands and forests, oak savannas. Fairly common in the NC mountains and Piedmont; extremely rare into the central Coastal Plain

Leaf Arrangement:

Opposite

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Suitable for home landscapes

State Rank:

S4: Apparently secure, S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

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Links:

USDA PLANTS Database Record



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