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.
Hoary Skullcap,
Scutellaria incana var. punctata
Leaves are stalked, scalloped, ovate-lanceolate, and taper to a petiole, per Wildflowers of the Southern Mountains.
Showy Skullcap,
Scutellaria serrata
2-4" ovate toothed leaves with bases that narrow abruptly to long petioles, per Wildflowers of the Southern Mountains.
Hairy Skullcap,
Scutellaria elliptica var. elliptica
Stems pubescent. Petioles usually obscured by decurrent blade tissue, per Vascular Flora of the Carolinas.
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.
Meehania,
Meehania cordata
Leaves heart-shaped and petioled, per Wildflowers of the Southern Mountains.
Catnip,
Nepeta cataria
Leaves triangular, cordate-based, coarsely toothed, on distinct petioles, per Wildflowers of the Southern Mountains.
Purple Deadnettle,
Lamium purpureum
Leaves heart-shaped with coarse rounded teeth, petioled, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Purple Deadnettle,
Lamium purpureum
Whorls of flowers subtended by petioled, reflexed leaves, per Vascular Flora of the Carolinas.
Florida Betony,
Stachys floridana
Longest petioles over 1/3" the length of the blade; leaves crenate to serrate, per Vascular Flora of the Carolinas.
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.
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.
Hairy Woodmint,
Blephilia hirsuta
Leaves with acuminate to acute tips (Monarda-like); petioles 9-42mm long, per Weakley's Flora (2015).
Diabase Woodmint,
Blephilia ciliata
Leaves with rounded to acutish tips (Prunella-like); petioles 1-7(12)mm long, per Weakley's Flora (2015).
Virginia Bugleweed,
Lycopus virginicus
Leaf base tapered to a long, winged petiole, per Weakley's Flora.
Stalked Bugleweed,
Lycopus rubellus
Leaves evidently petiolate, the petioles narrowly winged, per Weakley's Flora.
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).
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.
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.
Mountain Turtlehead,
Chelone lyonii
Leaves widest below middle, rounded at the base; most petioles at least 1/2", per Wildflowers of the Southern Mountains.
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.
White Turtlehead,
Chelone glabra
Leaves resemble C. obliqua but proportionately narrower; petioles under 1/2", per Wildflowers of the Southern Mountains.
Carolina Wild-petunia,
Ruellia caroliniensis
Leaves ovate, lanceolate or elliptic, pubescent or glabrate, petioles to 12mm, per Vascular Flora of the Carolinas.
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.
Heartleaf Plantain,
Plantago cordata
Glabrous leaves with ovate blades to 30x20cm, on ascending petioles, per Weakley's Flora (2012).
Common Plantain,
Plantago major
Lvs glabrous to very pubescent, petioles green (rarely w slight purple tinge), per Vascular Flora of the Carolinas.
American Plantain,
Plantago rugelii
Leaves glabrous or essentially so, petioles purple, at least at base, per Vascular Flora of the Carolinas.
Virginia Plantain,
Plantago virginica
Leaves hairy and petioles purple at base, per Forest Plants of the Southeast and Their Wildlife Uses.
Bell's Honeysuckle,
Lonicera ×bella
Stalks of fruit longer than petioles, per Woody Plants of the Southeastern US: A Winter Guide.
Bell's Honeysuckle,
Lonicera ×bella
Corolla pink (aging to yellow). Peduncles longer than the subtending petiole, per Weakley's Flora (2012).
Amur Bush-honeysuckle,
Lonicera maackii
Fragrant, axillary paired flowers; peduncle shorter than petioles, per Flora of China.
Amur Bush-honeysuckle,
Lonicera maackii
Branches and petioles spreading pubescent with interspersed minute glands, per Flora of China.
Amur Bush-honeysuckle,
Lonicera maackii
Peduncles shorter than or equal to the subtending petiole, per Weakley's Flora.
Tatarian Honeysuckle,
Lonicera tatarica
Petiole 2-5mm; leaf blade ovate or ovate-oblong, sometimes oblong, per Flora of China.
Blackhaw,
Viburnum prunifolium
Leaf lower surfaces paler than upper, glabrous or nearly so; petioles red, per Native Trees of the Southeast, An Identification Guide.
Downy Arrowwood,
Viburnum rafinesqueanum
Leaves with 5-9 lateral veins on each side, petioles short, per Weakley's Flora.
Southern Arrowwood,
Viburnum dentatum
Petioles and lower surface of leaves permanently pubescent, often stellate, per Vascular Flora of the Carolinas.
Carolina Arrowwood,
Viburnum carolinianum
Stellate hairs present on leaf underside and petiole, per Weakley's Flora (2020).
Tall White Lettuce,
Nabalus altissimus
Petioles winged; leaf blades usually ovate or triangular, often deeply 3-lobed, per Flora of North America.
Small's Ragwort,
Packera anonyma
Elongate basal lvs with elliptic, blunt-tipped blades taper to long petioles, per Wildflowers of the Southern Mountains.
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.
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.
Lesser Burdock,
Arctium minus
Petiole of the basal leaves hollow (at least toward base), per Weakley's Flora (2015).
White Boneset,
Eupatorium album
Longest petioles to 6mm, or leaves sessile, per Vascular Flora of the Carolinas.
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.
White Snakeroot,
Ageratina altissima var. altissima
Petioles 1.5-6 cm long, per Vascular Flora of the Carolinas.
Small-leaved White Snakeroot,
Ageratina aromatica
Petioles 0.2-2 cm long, per Vascular Flora of the Carolinas.
Small-leaved White Snakeroot,
Ageratina aromatica
Like A. altissima, but leaves smaller with blunt teeth and short petioles, per Wildflowers of the Southern Mountains.
Pussytoes,
Antennaria howellii ssp. neodioica
Basal leaves prominently 1-nerved, spatulate, with a distinct petiole, per Weakley's Flora (2012).
Toothed Whitetop Aster,
Sericocarpus asteroides
Leaves elliptic, lower with a petiole & a few teeth, upper smaller & sessile, per Wildflowers of the Southern Mountains.
Piedmont Aster,
Eurybia mirabilis
Lower leaves long-petioled w truncate to cordate bases; upper reduced, sessile, per Vascular Flora of the Carolinas.
Heartleaf Aster,
Symphyotrichum cordifolium
Basal & lower cauline leaves toothed, with slender petioles & cordate bases, per Wildflowers of the Southern Mountains.
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).
White Arrowleaf Aster,
Symphyotrichum urophyllum
Basal leaves long-petiolate, petioles not or narrowly winged, sheathing, per Flora of North America.
Wavyleaf Aster,
Symphyotrichum undulatum
[continued] ... petiolate, petiole strongly dilated to a cordate-clasping base, per Weakley's Flora.
Crooked-stem Aster,
Symphyotrichum prenanthoides
Leaves taper to a long winged petiole-like base w clasping auricular lobes, per Wildflowers of the Southern Mountains.
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.
Frost Aster,
Symphyotrichum pilosum var. pilosum
Leaves of lower stem sessile or tapered to a short petiole, hairy. Ron Lance
Tall Flat-top White Aster,
Doellingeria umbellata
Leaves narrowly elliptic and entire, on short petioles, per Wildflowers of the Southern Mountains.
Buck Creek Aster,
Symphyotrichum rhiannon
Leaf margins shallowly crenate to serrate-crenate, petioles winged, per Flora of North America.