Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Showy Sunflower at Vascular Plants of North Carolina.
3537
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus laetiflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus ×laetiflorus [pauciflorus × tuberosus]
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-009:
Helianthus laetiflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. laetiflorus
COMMON NAME:
Showy Sunflower, cheerful sunflower
To see a detailed map, click here
Look for it in disturbed areas, per Weakley's Flora
Forb
Perennial
Native: west of the Carolinas & Georgia
Documented growing wild in
GA
NC
SC
Uncommon (rare in GA)
LEAVES:
Simple
Opposite
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow with dark lobes
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 laetiflorus FAMILY Asteraceae
Showy Sunflower, cheerful sunflower
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Showy Sunflower at Vascular Plants of North Carolina.
Click the thumbnails to see larger pictures.
JK Marlow jkm130713_426
July Greenville County SC
Leaves w a prominent lateral pair of veins near the base, petiole 1-5 cm long, per Weakley's Flora.
JK Marlow jkm090824_001
August Greenville County SC
Roadside
Stems erect, 1-2.5m tall; lower internodes ~ 3-10cm, upper considerably longer, per Vascular Flora of the Carolinas.
JK Marlow jkm090824_005
August Greenville County SC
Roadside
Stems scabrous and spreading pubescent, somewhat glabrous above, per Vascular Flora of the Carolinas.
JK Marlow jkm090824_007
August Greenville County SC
Roadside
Leaves opposite, lanceolate to lance-ovate, serrate, pubescent and scabrous, per Vascular Flora of the Carolinas.
JK Marlow jkm090824_012
August Greenville County SC
Roadside
Phyllaries conspicuously graduated and imbricate, usually appressed, per Weakley's Flora.
COMPARE
involucral bracts of Sunflowers
JK Marlow jkm090824_016
August Greenville County SC
Roadside
Ray florets 15-20; disc florets w reddish lobes, at least tips; anthers dark, per Flora of North America.