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 north of Mexico, vol. 19-20-21 (2006)
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.
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Alan S. Weakley asw_621973769857014
May Granville County NC
)
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
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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
)
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 jkm230720_4625
July Greenville County SC
Chestnut Ridge Heritage Preserve
Lower cauline leaves petiolate, the petioles winged or not, seldom auriculate-clasping, per Weakley's Flora (2023).
)
JK Marlow s050716_b
July Oconee County SC
)
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 north of Mexico, vol. 19-20-21
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.
LEAVES:
Simple
Basal & alternate
FLOWER:
Spring/Summer
Rays: White, Cream
Disc: White, Cream
Inferior ovary
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
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, 1st ed. (Porcher & Rayner, 2001) p207
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p264
- 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
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