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Blackhaw,
Viburnum prunifolium
Leaf lower surfaces paler than upper, glabrous or nearly so; petioles red, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Rusty Blackhaw,
Viburnum rufidulum
Twigs slender, reddish-brown to gray. Petioles rusty hairy, grooved, sometimes winged, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Downy Arrowwood,
Viburnum rafinesqueanum
Leaves with 5-9 lateral veins on each side, petioles short, per Weakley's Flora.
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Southern Arrowwood,
Viburnum dentatum
Petioles and lower surface of leaves permanently pubescent, often stellate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Carolina Arrowwood,
Viburnum carolinianum
Stellate hairs present on leaf underside and petiole, per Weakley's Flora (2020).
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Tall Rattlesnake-root,
Nabalus altissimus
Petioles winged; leaf blades usually ovate or triangular, often deeply 3-lobed, per Flora of North America.
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Tall Blue Lettuce,
Lactuca biennis
Leaves on winged petioles, 4-12" long, with several wide, coarsely toothed, pointy-tipped lobes, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Small's Ragwort,
Packera anonyma
Elongate basal lvs with elliptic, blunt-tipped blades taper to long petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Roundleaf Ragwort,
Packera obovata
Basal lvs rounded->obovate, tapering or abruptly narrowing to long petiole, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Rugel's Ragwort,
Rugelia nudicaulis
Leaves broadly ovate, 3-6" long, coarsely toothed, long-petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Lesser Burdock,
Arctium minus
Petiole of the basal leaves hollow (at least toward base), per Weakley's Flora (2015).
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White Boneset,
Eupatorium album
Longest petioles to 6mm, or leaves sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Late-flowering Boneset,
Eupatorium serotinum
Leaf tips tapering, margins coarsely serrate, petioles 1-4cm, purplish, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Common White Snakeroot,
Ageratina altissima
Petioles 1.5-6 cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Small-leaved White Snakeroot,
Ageratina aromatica
Petioles 0.2-2 cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Small-leaved White Snakeroot,
Ageratina aromatica
Like A. altissima, but leaves smaller with blunt teeth and short petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Pussytoes,
Antennaria howellii ssp. neodioica
Basal leaves prominently 1-nerved, spatulate, with a distinct petiole, per Weakley's Flora (2012).
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Toothed Whitetop Aster,
Sericocarpus caespitosus
Leaves elliptic, lower with a petiole & a few teeth, upper smaller & sessile, per Wildflowers of the Southern Mountains (Smith, 1998).
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Piedmont Aster,
Eurybia mirabilis
Lower leaves long-petioled w truncate to cordate bases; upper reduced, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Heartleaf Aster,
Symphyotrichum cordifolium
Basal & lower cauline leaves toothed, with slender petioles & cordate bases, per Wildflowers of the Southern Mountains (Smith, 1998).
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White Arrowleaf Aster,
Symphyotrichum urophyllum
Basal leaves long-petiolate, petioles not or narrowly winged, sheathing, per Flora of North America.
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Wavyleaf Aster,
Symphyotrichum undulatum
[continued] ... petiolate, petiole strongly dilated to a cordate-clasping base, per Weakley's Flora.
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Zigzag Aster,
Symphyotrichum prenanthoides
Leaves taper to a long winged petiole-like base w clasping auricular lobes, per Wildflowers of the Southern Mountains (Smith, 1998).
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Buck Creek Aster,
Symphyotrichum rhiannon
Leaf margins shallowly crenate to serrate-crenate, petioles winged, per Flora of North America.
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Frost Aster,
Symphyotrichum pilosum var. pilosum
Basal lvs oblanceolate, petioled, 1-4" lng. Basal & lower lvs wither early, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Frost Aster,
Symphyotrichum pilosum var. pilosum
Leaves of lower stem sessile or tapered to a short petiole, hairy. — Ron Lance
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Northern Tall Flat-top White Aster,
Doellingeria umbellata var. umbellata
Leaves narrowly elliptic and entire, on short petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Zigzag Goldenrod,
Solidago flexicaulis
Leaves abruptly contracted to a winged petiole, per Weakley's Flora.
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Yadkin River Goldenrod,
Solidago plumosa
Basal leaf blades linear to elliptic-oblanceolate, tapering to petioles, per Flora of North America.
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Slender Goldenrod,
Solidago erecta
Basal & proximal cauline lvs tapering to long winged petioles (quickly reduced), per Flora of North America.
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Showy Goldenrod,
Solidago speciosa
Basal and proximal stem leaves tapering to winged petioles, per Flora of North America.
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Northern Seaside Goldenrod,
Solidago sempervirens
Lower leaves oblanceolate to narrowly ovate, gradually tapering to petiole, per Weakley's Flora.
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Early Goldenrod,
Solidago juncea
Stems glabrous or nearly so. Petiole bases of basal and lower stem leaves not sheathing the stem, per Weakley's Flora (2023).
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Gorge Goldenrod,
Solidago faucibus
Basal & proximal leaf blades ovate, abruptly tapering to winged petioles, per Flora of North America.
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Northern Roughleaf Goldenrod,
Solidago patula
Basal and proximal cauline lvs abruptly narrowed to long, winged petioles, blades broadly ovate, per Flora of North America.
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Granite Dome Goldenrod,
Solidago simulans
Petiole bases of basal and lower cauline leaves sheathing the stem, per Weakley's Flora (2012).
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Eastern Gray Goldenrod,
Solidago nemoralis var. nemoralis
Lower leaves including petioles mostly more than 4x long as wide, per Weakley's Flora (2020).
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Eastern Gray Goldenrod,
Solidago nemoralis var. nemoralis
Lower lf blades oblanceolate to narrowly ovate, gradually tapering to petiole, per Weakley's Flora.
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Bearsfoot,
Smallanthus uvedalia
Leaves triangular to ovate w mostly palmate lobes, broadly winged petioles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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White-flowered Leafcup,
Polymnia canadensis
Leaves pinnately lobed, 4-12" long. Petiole sometimes winged near blade, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Carolina Rosinweed,
Silphium compositum var. compositum
Petioles and midribs may be green or red, per All About South Carolina Wildflowers (Midgley, 1999).
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Carolina Green-and-gold,
Chrysogonum repens
The hairy leaves are long-petioled, with ovate, scalloped blades, per Wildflowers of the Southern Mountains (Smith, 1998).
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Common Wild Quinine,
Parthenium integrifolium var. integrifolium
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).
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Common Wild Quinine,
Parthenium integrifolium var. integrifolium
Lower cauline leaves petiolate, the petioles winged or not, seldom auriculate-clasping, per Weakley's Flora (2023).
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Glade Wild Quinine,
Parthenium auriculatum
Stem leaves all auriculate-clasping: upper sessile, lower w winged petioles expanded at the base, per Weakley's Flora (2023).
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Tennessee Purple Coneflower,
Echinacea tennesseensis
Leaves mostly basal, petioled, 4-8" long, narrow, without teeth, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Purple-disk Sunflower,
Helianthus atrorubens
Petiole often > 1/3 as long as the blade, broadly winged toward the blade, per Weakley's Flora.
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Showy Sunflower,
Helianthus laetiflorus
Leaves w a prominent lateral pair of veins near the base, petiole 1-5 cm long, per Weakley's Flora.
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Stiff Sunflower,
Helianthus pauciflorus ssp. pauciflorus
Lvs usually lanceolate to lance-ovate or rhombic-ovate, petiole usually <1cm, per Weakley's Flora (2012).
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Hairy Sunflower,
Helianthus hirsutus
Leaves similar to H. divaricatus, but rough on upper surface, short-petioled, per Wildflowers of the Southern Mountains (Smith, 1998).
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Thinleaf Sunflower,
Helianthus decapetalus
Leaf base widely cuneate or truncate, petioles oft obscured by decurrent blade, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Small Wood Sunflower,
Helianthus microcephalus
Leaves mostly scabrous above, resin-dotted, abruptly narrowed to a petiole, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Hairy Sunflower,
Helianthus resinosus
Petioles obscured by decurrent leaf blade, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Hairy Sunflower,
Helianthus resinosus
Ovate or lance-ovate blade with a broadly winged, gradually narrowed petiole, per Weakley's Flora.
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Jerusalem Artichoke,
Helianthus tuberosus
Has longer petioles and wider leaves than other perennial sunflowers, per www.illinoiswildflowers.info.
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Jerusalem Artichoke,
Helianthus tuberosus
Petioles 2-8cm (often ± winged), per Flora of North America.
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Tall Sunflower,
Helianthus giganteus
Stem hairy, reddish; leaves narrowly lanceolate, tapering to a short petiole, per Wildflowers of the Southern Mountains (Smith, 1998).
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Common Wingstem,
Verbesina alternifolia
Winged petioles extend down the stem, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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White Crownbeard,
Verbesina virginica var. virginica
Petioles winged, leaves coarsely serrate but not lobed or dissected, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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White Crownbeard,
Verbesina virginica var. virginica
Petioles winged, the tissue decurrent on the stem as wide wings, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).