Your search found 273 image(s) illustrating the term "petiole." For a written explanation, click on "petiole" in the Glossary.
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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.
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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.
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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.
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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.
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Appalachian Skullcap,
Scutellaria ovata ssp. rugosa var. 1
Stem/petioles w spreading or retrorse hairs; mid to upper lvs strongly cordate, per Weakley's Flora.
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Meehania,
Meehania cordata
Leaves heart-shaped and petioled, per Wildflowers of the Southern Mountains.
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Catnip,
Nepeta cataria
Leaves triangular, cordate-based, coarsely toothed, on distinct petioles, per Wildflowers of the Southern Mountains.
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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.
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Purple Deadnettle,
Lamium purpureum
Whorls of flowers subtended by petioled, reflexed leaves, per Vascular Flora of the Carolinas.
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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.
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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.
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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.
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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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Diabase Woodmint,
Blephilia ciliata
Leaves with rounded to acutish tips (Prunella-like); petioles 1-7(12)mm long, per Weakley's Flora (2015).
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Virginia Bugleweed,
Lycopus virginicus
Leaf base tapered to a long, winged petiole, per Weakley's Flora.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Heartleaf Plantain,
Plantago cordata
Glabrous leaves with ovate blades to 30x20cm, on ascending petioles, per Weakley's Flora (2012).
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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.
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American Plantain,
Plantago rugelii
Leaves glabrous or essentially so, petioles purple, at least at base, per Vascular Flora of the Carolinas.
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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.
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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.
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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.
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Amur Bush-honeysuckle,
Lonicera maackii
Branches and petioles spreading pubescent with interspersed minute glands, per Flora of China.
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Amur Bush-honeysuckle,
Lonicera maackii
Peduncles shorter than or equal to the subtending petiole, per Weakley's Flora.
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Tatarian Honeysuckle,
Lonicera tatarica
Petiole 2-5mm; leaf blade ovate or ovate-oblong, sometimes oblong, per Flora of China.
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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.
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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.
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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 White Lettuce,
Nabalus altissimus
Petioles winged; leaf blades usually ovate or triangular, often deeply 3-lobed, per Flora of North America.
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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.
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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.
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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.
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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.
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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.
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White Snakeroot,
Ageratina altissima var. altissima
Petioles 1.5-6 cm long, per Vascular Flora of the Carolinas.
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Small-leaved White Snakeroot,
Ageratina aromatica
Petioles 0.2-2 cm long, per Vascular Flora of the Carolinas.
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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.
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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 asteroides
Leaves elliptic, lower with a petiole & a few teeth, upper smaller & sessile, per Wildflowers of the Southern Mountains.
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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.
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Heartleaf Aster,
Symphyotrichum cordifolium
Basal & lower cauline leaves toothed, with slender petioles & cordate bases, per Wildflowers of the Southern Mountains.
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Smooth Heartleaf Aster,
Symphyotrichum lowrieanum
Lvs thickish, a little succulent. Stem lvs contracted into winged petioles, per Britton & Brown's Illustrated Flora of the Northern United States, Canada and the British Possessions (1913).
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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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Crooked-stem Aster,
Symphyotrichum prenanthoides
Leaves taper to a long winged petiole-like base w clasping auricular lobes, per Wildflowers of the Southern Mountains.
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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.
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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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Tall Flat-top White Aster,
Doellingeria umbellata
Leaves narrowly elliptic and entire, on short petioles, per Wildflowers of the Southern Mountains.
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Buck Creek Aster,
Symphyotrichum rhiannon
Leaf margins shallowly crenate to serrate-crenate, petioles winged, per Flora of North America.