Dig deeper at SERNEC, a consortium of southeastern herbaria.
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 Xlaetiflorus [pauciflorus X tuberosus]
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-009:
Helianthus laetiflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. laetiflorus
COMMON NAME:
cheerful sunflower
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hesc13_001_lvd
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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.
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JK Marlow jkm130713_431
July Greenville County SC
Leaf underside.
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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.
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JK Marlow jkm090824_005
August Greenville County SC
Roadside
Stems scabrous and spreading pubescent, somewhat glabrous above, per Vascular Flora of the Carolinas.
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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.
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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
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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.
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JK Marlow jkm120814_518
August Greenville County SC
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JK Marlow jkm120814_520
August Greenville County SC