Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Parthenium integrifolium var. integrifolium
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Parthenium at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Parthenium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Parthenium integrifolium
INCLUDED WITHIN Flora of North America
Parthenium integrifolium
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-57-001a:
Parthenium integrifolium var. integrifolium FAMILY Asteraceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Parthenium integrifolium
COMMON NAME:
Common Wild Quinine
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm170527_054
May McCormick County SC
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JK Marlow jkm170527_055
May McCormick County SC
)
Richard and Teresa Ware rtw_p_integrifolium_1
June
)
Richard and Teresa Ware rtw_p_integrifolium_1b
June
Five tiny white rays are evenly spaced around the 1/4" disc, per Wildflowers of the Southern Mountains (Smith, 1998).
)
Richard and Teresa Ware rtw_p_integrifolium_1c
June
Disc florets functionally staminate (filaments distinct, anthers connate), per Flora of North America.
)
JK Marlow s050618_a
June Oconee County SC
Basal leaves ovate to elliptic, 3-8" long, round-toothed, long-petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
Tim Spira tpspintegrifolium_with
June
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Bobbie L Holt blh1030_a
July Anderson County SC
Carolina Wild Native Plant Nursery
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JK Marlow jkm0407c_03
July Rutherford County NC
Chimney Rock Park
Numerous small heads in flat-topped clusters at ends of stem and branches, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow jkm090726_133
July Buncombe County NC
Blue Ridge Parkway
Pollinator at work.
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JK Marlow jkm090726_136
July Buncombe County NC
Blue Ridge Parkway
Thick, rough-surfaced, sparsely toothed, alternate leaves, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow s050716_b
July Oconee County SC
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Wesley Burnett gwb1030_1494
July-August? Oconee County SC
)
JK Marlow jkm061029_167
October Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
)
JK Marlow jkm211027_4597
October Transylvania County NC
DuPont State Forest
)
JK Marlow jkm0411g_37
November Oconee County SC
Upper leaves smaller than lower, often sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm0411h_03
November Oconee County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Parthenium integrifolium var. integrifolium
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Parthenium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Parthenium integrifolium
INCLUDED WITHIN
Flora of North America
Parthenium integrifolium
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-57-001a:
Parthenium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Parthenium integrifolium
1030
Forb
Perennial
Habitat: woodlands, roadsides, various dryish habitats, mainly open or sparsely wooded, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in SC Piedmont & NC Coastal Plain)
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Basal & alternate
FLOWER:
Spring/Summer
Rays: White, Cream
Disc: White, Cream
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Inferior ovary
Flower heads borne in corymbiform to paniculiform arrays
FRUIT:
Spring/Summer
Blackish
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p118
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p207
- Native Alternatives to Invasive Plants p167
- Newcomb's Wildflower Guide (Newcomb, 1977) p210
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p187
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p119
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p269
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p105
- Wildflowers of Tennessee (Carman, 2005) p316
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p366
- Wildflowers of the Southern Mountains (Smith, 1998) p214