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Alternate-leaf Dogwood,
Swida alternifolia
Petioles to 2.5" long [alternate arrangement easier to see from underneath], per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Mountain Laurel,
Kalmia latifolia
Leaves 2.5-12 cm long, petiole 7-45 mm long, per Weakley's Flora.
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Evergreen Mountain Fetterbush,
Pieris floribunda
Leaves reticulate above; margins crenate; margins and petiole w black hairs, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
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Mountain Doghobble,
Leucothoe fontanesiana
Decidedly long acuminate leaves, petioles 8-15mm long, per Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989).
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Hillside Blueberry,
Vaccinium pallidum
Lvs 1-2" long, elliptical, on short petiole, dull green above, pale beneath. — Patrick McMillan
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Fringed Loosestrife,
Steironema ciliatum
Petioles ciliate over their entire length, per Wildflowers of the Southern Mountains (Smith, 1998).
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Southern Loosestrife,
Steironema tonsum
Petioles without cilia or rarely sparse cilia near stem; lvs mostly ovate, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Lanceleaf Loosestrife,
Steironema lanceolatum
Leaves tapered at both ends, without a differentiated petiole, per Wildflowers of the Southern Mountains (Smith, 1998).
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White Ash,
Fraxinus americana
Twigs, petioles, petiolules, and rachises glabrous, per Weakley's Flora (2015).
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Biltmore Ash,
Fraxinus biltmoreana
Branchlets, petioles, rachises, and petiolules densely pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Biltmore Ash,
Fraxinus biltmoreana
Branchlets, petioles, rachises, and petiolules densely pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Glade Forestiera,
Forestiera ligustrina
Leaves have distinct petioles (Chinse Privet has very short petioles), per Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000).
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Fringetree,
Chionanthus virginicus
Petioles narrowly winged, maroon or blackish purple, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Glossy Privet,
Ligustrum lucidum
Petioles 1-3cm, per Flora of China.
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Carolina Jessamine,
Gelsemium sempervirens
Note wiry stems, long internodes, and short petioles. — Clemson Extension
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Yellow Floating Heart,
Nymphoides peltata
Leaves alternate at stem base, opposite at apex; petiole cylindric, 5-10cm, per Flora of China.
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English Elm,
Ulmus minor
Leaf base strongly oblique, not covering petiole, per Flora of North America.
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Manroot,
Ipomoea pandurata
Leaves heart- to arrowhead-shaped; margin, midvein & petiole ofen purplish, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Jamaica Weed,
Nama jamaicensis
Low, spreading, hispidulous herb. Leaves obovate, petiole absent or indistinct, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Mapleleaf Waterleaf,
Hydrophyllum canadense
Axillary peduncles shorter than the petiole of the subtending leaf, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Virginia Waterleaf,
Hydrophyllum virginianum
Axillary peduncles longer than the petiole of the subtending leaf, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Indian Heliotrope,
Heliotropium indicum
Leaves ovate to elliptic and long-petioled, plant villosulous-hispid, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Blue Scorpion-grass,
Myosotis stricta
Basal leaves 1-2cm long, narrowed to a winged petiole; cauline leaves sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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White Vervain,
Verbena urticifolia
The petioles of the leaves are up to 2" long, per www.illinoiswildflowers.info.
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Blue Vervain,
Verbena hastata
Leaves lanceolate to lance-ovate, coarsely doubly serrate, definitely petioled, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Chinese Beautyberry,
Callicarpa dichotoma
Peduncle 1-2cm long, longer than the petiole of the subtending leaf, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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American Lopseed,
Phryma leptostachya
Opposite, petioled, coarsely toothed ovate leaves up to 6" long, per Wildflowers of the Southern Mountains (Smith, 1998).
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Narrowleaf Blue Curls,
Trichostema setaceum
Leaves short-petioled to sessile, linear and bluntly pointed, to 2" long, smooth, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Mad-dog Skullcap,
Scutellaria lateriflora
Leaves with a rounded base and pointed tip, toothed, petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Hyssop Skullcap,
Scutellaria integrifolia
Lower leaves triangular-ovate, margins crenate, petioles slender, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Hoary Skullcap,
Scutellaria incana var. punctata
Leaves are stalked, scalloped, ovate-lanceolate, and taper to a petiole, per Wildflowers of the Southern Mountains (Smith, 1998).
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Showy Skullcap,
Scutellaria serrata
2-4" ovate toothed leaves with bases that narrow abruptly to long petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Hairy Skullcap,
Scutellaria elliptica var. elliptica
Stems pubescent. Petioles usually obscured by decurrent blade tissue, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Meehania,
Meehania cordata
Leaves heart-shaped and petioled, per Wildflowers of the Southern Mountains (Smith, 1998).
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Catnip,
Nepeta cataria
Leaves triangular, cordate-based, coarsely toothed, on distinct petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Purple Deadnettle,
Lamium purpureum
Leaves heart-shaped with coarse rounded teeth, petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Purple Deadnettle,
Lamium purpureum
Whorls of flowers subtended by petioled, reflexed leaves, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Florida Betony,
Stachys floridana
Longest petioles over 1/3" the length of the blade; leaves crenate to serrate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Clingman's Hedgenettle,
Stachys clingmanii
Leaves hairy with petioles 0.4-1.2" long, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Lemon Bergamot,
Monarda citriodora var. citriodora
Leaves 1-3" long, lanceolate with a short petiole, remotely toothed, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Hairy Woodmint,
Blephilia hirsuta
Leaves with acuminate to acute tips (Monarda-like); petioles 9-42mm long, per Weakley's Flora (2015).
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Short-toothed Mountain-mint,
Pycnanthemum muticum var. 1
Leaves short-petioled to sessile, oval to lance-shaped, finely toothed, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Wild-oregano,
Cunila origanoides
Leaves sessile or short-petioled, oval to lance-shaped, with sparingly toothed margins, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Virginia Bugleweed,
Lycopus virginicus
Leaves coarsely toothed, with a long-tapering petiole-like base, per Wildflowers of the Southern Mountains (Smith, 1998).
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Stalked Bugleweed,
Lycopus rubellus
Leaves evidently petiolate, the petioles narrowly winged, per Weakley's Flora.
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Spearmint,
Mentha spicata var. spicata
Petioles of the main leaves 0-3 mm long (vs. 4-15 mm long in M. xpiperita), per Weakley's Flora (2012).
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Peppermint,
Mentha ×piperita var. piperita
Flowers in thick compact spikes. Lvs smooth, lanceolate, w 1/8-1/4" petioles, per Wildflowers of the Southern Mountains (Smith, 1998).
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Eastern Black Nightshade,
Solanum emulans
Leaves irregularly blunt-toothed or almost entire, long-petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Mountain Turtlehead,
Chelone lyonii
Leaves widest below middle, rounded at the base; most petioles at least 1/2", per Wildflowers of the Southern Mountains (Smith, 1998).
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Purple Turtlehead,
Chelone obliqua +
Lvs widest mostly at or near middle, serrate, w acute base. Petioles 5-15mm, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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White Turtlehead,
Chelone glabra
Leaves resemble C. obliqua but proportionately narrower; petioles under 1/2", per Wildflowers of the Southern Mountains (Smith, 1998).
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Carolina Wild-petunia,
Ruellia caroliniensis
Leaves ovate, lanceolate or elliptic, pubescent or glabrate, petioles to 12mm, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Branched Foldwing,
Dicliptera brachiata
Leaves ovate, ovate or lanceolate-ovate, acuminate tips, slender petioles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Common Plantain,
Plantago major
Lvs glabrous to very pubescent, petioles green (rarely w slight purple tinge), per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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American Plantain,
Plantago rugelii
Petioles usually purple at base, per Weakley's Flora (2020).
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Virginia Plantain,
Plantago virginica
Leaves hairy and petioles purple at base, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Northern Bush-honeysuckle,
Diervilla lonicera
Petioles 5-8mm long; leaves ciliate on the margins, per Weakley's Flora (2022).
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Bell's Honeysuckle,
Lonicera ×bella
Stalks of fruit longer than petioles, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
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Bell's Honeysuckle,
Lonicera ×bella
Corolla pink (aging to yellow). Peduncles longer than the subtending petiole, per Weakley's Flora (2012).
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Amur Bush-honeysuckle,
Lonicera maackii
Fragrant, axillary paired flowers; peduncle shorter than petioles, per Flora of China.