plant-banner1

NC Native Plant Society:
Plant Details

Helianthus angustifolius

Narrowleaf Sunflower, Swamp Sunflower

Scientific Name:

Helianthus angustifolius

Genus:

Helianthus

Species Epithet:

angustifolius

Common Name:

Narrowleaf Sunflower, Swamp Sunflower

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Asteraceae (Aster Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

3-6 ft., 6-12 ft.

Bloom Color(s):

Yellow

Light:

Sun - 6 or more hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

August, September, October

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Savannas, ditches, marshes, other wet habitats. Common to locally abundant in the Coastal Plain and Sandhills; common in the eastern Piedmont, but uncommon in the central and western Piedmont. Fairly common in the southern mountains but essentially absent in the central and northern mountains.

Leaf Arrangement:

Alternate, 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:

Recommended and Available

State Rank:

S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

Notes:

leaves commonly alternate except near the base

Narrow, sessile leaves with up to 21 ray florets and a deep red to purplish disk

Forsyth County NC (meadow garden)

The Scientific Name is Helianthus angustifolius. You will likely hear them called Narrowleaf Sunflower, Swamp Sunflower. This picture shows the Narrow, sessile leaves with up to 21 ray florets and a deep red to purplish disk of Helianthus angustifolius

Lisa Lofland Gould

Narrow, sessile leaves and narrow, pointed, overlapping bracts

Forsyth County NC (meadow garden)

The Scientific Name is Helianthus angustifolius. You will likely hear them called Narrowleaf Sunflower, Swamp Sunflower. This picture shows the Narrow, sessile leaves and narrow, pointed, overlapping bracts of Helianthus angustifolius

Lisa Lofland Gould

Links:

USDA PLANTS Database Record



Permalink - (right click to save this page to your bookmarks)

<<< PREVIOUS

NEXT >>>

back to top
go to plant details search
go to plant images search
go to gallery home
back to Initial h Gallery
back to orchids
back to Carnivorous Plants
back to Trilliums