Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Narrowleaf Sunflower at Vascular Plants of North Carolina.
644
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus angustifolius
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus angustifolius
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-002:
Helianthus angustifolius
FAMILY
Asteraceae
COMMON NAME:
Narrowleaf Sunflower , Swamp Sunflower
To see a detailed map, click here
Look for it in savannas, ditches, marshes, other wet habitats, per Weakley's Flora
Forb
Perennial
Native to the Carolinas & Georgia
Documented growing wild in
GA
NC
SC
Common (uncommon in Piedmont, rare in Mountains)
...Wet
...Moist
...Variable
...Dry
LEAVES:
Simple
Lower opposite, upper alternate
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Purplish-red
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
Inferior ovary
FRUIT:
Summer/Fall
Brown
Achene
TO LEARN MORE about this plant, look it up in a good book!
Helianthus angustifolius FAMILY Asteraceae
Narrowleaf Sunflower , Swamp Sunflower
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Narrowleaf Sunflower at Vascular Plants of North Carolina.
Click the thumbnails to see larger pictures.
JK Marlow jkm120922_097
September Greenville County SC
SC Native Plant Society Plant Sale
Ray flowers 8-21, narrow; disk purple, flattened, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
JK Marlow jkm120922_101
September Greenville County SC
SC Native Plant Society Plant Sale
Leaves densely pubescent (but not tomentose) beneath, per Vascular Flora of the Carolinas.
JK Marlow jkm120922_103
September Greenville County SC
SC Native Plant Society Plant Sale
Involucral bracts in several series, lanceolate to linear, acuminate, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Sunflowers
JK Marlow jkm081009_030
October Dorchester County SC
Leaves narrow, sessile, w rough surfaces & revolute (curled under) margins, per Atlantic Coastal Plain Wildflowers.
JK Marlow jkm081009_031
October Dorchester County SC
Heads on long stalks, per Forest Plants of the Southeast and Their Wildlife Uses.
JK Marlow jkm081009_178
October Dorchester County SC
McAlhany Nature Preserve
Plants 3-6' tall with a purplish to greenish herbaceous stem, per Atlantic Coastal Plain Wildflowers.
JK Marlow jkm161001_822
September Chesterfield County SC
Carolina Sandhills National Wildlife Refuge
JK Marlow jkm161001_831
September Chesterfield County SC
Carolina Sandhills National Wildlife Refuge
JK Marlow jkm161001_832
September Chesterfield County SC
Carolina Sandhills National Wildlife Refuge