Your search found 273 image(s) illustrating the term "petiole." For a written explanation, click on "petiole" in the Glossary.
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Dwarf Filmy-fern,
Didymoglossum petersii
Petioles nearly as long as blades, per Flora of North America.
Wright's Cliffbrake,
Pellaea wrightiana
Petiole dark brown, lustrous. Ultimate segments 5-20mm [in length], per Flora of North America.
Wavy Cloak Fern,
Astrolepis sinuata ssp. sinuata
Pinnae alternate, oblong with short petioles, cut 1/3 to 1/2 way to midvein, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Arizona Cliffbrake,
Pellaea ternifolia ssp. arizonica
Basal pinnae of 3 incompletely divided segments. Petiole dk purple to black, per The Ferns and Lycophytes of Texas.
Southern Lady Fern,
Athyrium asplenioides
Petioles as long as blade, reddish or light green. Blade widest @ 2nd pinna, per Ferns of the Smokies.
Mariana Maiden Fern,
Macrothelypteris torresiana
Petiole in cross section, after a day drying in the plant press.
Mariana Maiden Fern,
Macrothelypteris torresiana
Petiole in cross section with 2 crescent-shaped vascular bundles at base, per Flora of North America.
Dwarf Waterclover,
Marsilea minuta
Leaves clover-like, the 4 leaflets borne at the summit of the petiole, per Weakley's Flora (2015).
Sago-palm,
Cycas revoluta
Petiole subtetragonal in cross section, 10-20cm, 6-18 spines along each side, per Flora of China.
Florida Torreya,
Torreya taxifolia
Leaves stiff with a short petiole-like constriction, often slightly curved, per Trees of the Southeastern United States.
American Eelgrass,
Vallisneria americana
Leaves straplike, elongate, linear, not differentiated into petiole and blade, per Weakley's Flora.
Saw Palmetto,
Serenoa repens
Stem horizontal, atop or just below soil surface. Petioles often w prickles, per Forest Plants of the Southeast and Their Wildlife Uses.
Saw Palmetto,
Serenoa repens
The petiole is armed with stiff spines, per Trees of the Southeastern United States.
Saw Palmetto,
Serenoa repens
Petiole ends abruptly in the blade base, per Trees of the Southeastern United States.
Dwarf Palmetto,
Sabal minor
Petiole unarmed, per Trees of the Southeastern United States.
Dwarf Palmetto,
Sabal minor
Stem below ground (rarely emerging). Petioles long and 3-angled, per Forest Plants of the Southeast and Their Wildlife Uses.
Needle Palm,
Rhapidophyllum hystrix
Leaves fan-shaped, segments faintly corrugated; petioles 3-angled, per Forest Plants of the Southeast and Their Wildlife Uses.
Needle Palm,
Rhapidophyllum hystrix
Sharp spines project from petiole base, from stolons, per Forest Plants of the Southeast and Their Wildlife Uses.
Pindo Palm,
Butia odorata
The petioles are armed with curved spines (vs. those of Cocos unarmed), per Weakley's Flora (2015).
Coconut Palm,
Cocos nucifera
Petiole unarmed (vs. that of Butia and Phoenix with petiolar spines), per Weakley's Flora (2015).
Green Dragon,
Pinellia tripartita
Each upright leaf petiole is terminated by a single trifoliate green leaf, per www.missouribotanicalgarden.org.
Elephant's Ear,
Colocasia esculenta
Leaves are held on 3' long petioles that attach in the center of the leaf, per Invasive Plants, Guide to Identification, Impacts and Control.
Common Carrionflower,
Smilax herbacea
Peduncles 5-8x long as the subtending petioles, per Weakley's Flora.
Stretchberry,
Smilax bona-nox var. bona-nox
Stalk of the umbel > 1.5x as long as the subtending leaf petiole, per Weakley's Flora (2012).
Painted Trillium,
Trillium undulatum
Leaves are clearly petioled and acuminate, per Wildflowers of the Eastern United States.
Painted Trillium,
Trillium undulatum
Petioles 3-20 mm long; pedicels 1.5-5.8 cm long, per Vascular Flora of the Carolinas.
Prairie Trillium,
Trillium recurvatum
Sepals become sharply recurved and extend downward between petioles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Ramps,
Allium tricoccum
Leaves usually absent at anthesis, blade tapering to long, slender petiole, per Flora of North America.
Ramps,
Allium tricoccum
2 glaucous leaves, with petioles 2-7cm long, are present from April into June, per Vascular Flora of the Carolinas.
Prairie Willow,
Salix humilis
Leaves pale and veiny below, margin slightly revolute, petioles hairy, per Woody Plants of the Blue Ridge.
Common Shagbark Hickory,
Carya ovata
Crushed lvs w faint apple smell unlike other hickories. Petioles pubescent, per Native Trees of the Southeast, An Identification Guide.
Mockernut Hickory,
Carya tomentosa
Petioles pubescent, foliage aromatic when crushed, per Native Trees of the Southeast, An Identification Guide.
Red Hickory,
Carya ovalis
Leaves with (5-)7 leaflets, pubescent beneath; petiole reddish, per Weakley's Flora.
Red Hickory,
Carya ovalis
Petiole reddish, per Weakley's Flora.
Black Hickory,
Carya texana
Only hickory w tufted rust-colored hair on buds, petioles, leaf undersides, per Trees of the Southeastern United States.
American Hazelnut,
Corylus americana
Petioles pubescent and glandular pubescent, 0.2-1.8cm long, per Vascular Flora of the Carolinas.
American Hazelnut,
Corylus americana
Young twigs and petioles stipitate-glandular (vs. C. cornuta's glandless), per Weakley's Flora (2015).
Common Chinquapin,
Castanea pumila
Fruit husk spines and leaf petioles are usually less than 1cm long, per Woody Plants of the Southeastern US: A Winter Guide.
Rock Chestnut Oak,
Quercus montana
Yellow petiole 10-32mm long, per Field Guide to Native Oak Species of Eastern North America.
Dwarf Live Oak,
Quercus minima
Leaves obovate or oblanceolate, with a very short petiole, base cuneate, per Field Guide to Native Oak Species of Eastern North America.
Winged Elm,
Ulmus alata
Petioles usually 1-2mm long, per Vascular Flora of the Carolinas.
Wych Elm,
Ulmus glabra
Leaf base strongly oblique, lowermost lobe overlapping, covering petiole, per Flora of North America.
Paper Mulberry,
Broussonetia papyrifera
Twigs & petioles have long, spreading, glassily transparent hairs, per Native Trees of the Southeast, An Identification Guide.
Mulberry-weed,
Fatoua villosa
Alternate, ovate leaves with cordate bases, borne on long petioles, per Weakley's Flora.
Japanese Hops,
Humulus japonicus
Leaves are rough to the touch & occur on long petioles up to 8" in length, per Invasive Exotic Plants of North Carolina.
European Stinging Nettle,
Urtica dioica ssp. dioica
Inflorescences usually surpassing the subtending leaf petiole, per Weakley's Flora.
Canada Wild Ginger,
Asarum canadense
Flower solitary, arising between the petioles. Petioles villous, per Vascular Flora of the Carolinas.
Canada Wild Ginger,
Asarum canadense
Leaves pubescent, petioles villous, per Vascular Flora of the Carolinas.
Canada Wild Ginger,
Asarum canadense
Each plant has 2 kidney-shaped leaves with cordate bases, on long petioles, per Wildflowers of the Southern Mountains.
Longbristle Smartweed,
Persicaria longiseta
Base of leaf is cuneate, petiole 1-5 mm long, per Vascular Flora of the Carolinas.
Asiatic Tearthumb,
Persicaria perfoliata
Stem, petioles, lower surface of major leaf veins w abundant recurved prickles, per Weakley's Flora.
Smooth Pigweed,
Amaranthus hybridus
Blade ovate, rhombic-ovate, or lanceolate; petiole half or as long as blade, per Flora of North America.
Spring-beauty,
Claytonia virginica +
Leaves 3" long or more, narrow and long-tapering without an evident petiole, per Wildflowers of the Southern Mountains.
Carolina Spring-beauty,
Claytonia caroliniana
Leaf blade 1.5-7cm x 1.5-3.5cm, clearly differentiated from the petiole, per Vascular Flora of the Carolinas.
Common Chickweed,
Stellaria media
Upper leaves without petiole; lower leaves with sparsely hairy long petiole, per Weeds of Southern Turfgrasses.
Water-shield,
Brasenia schreberi
Elliptic, peltate floating leaves & mucilaginous petioles make it unmistakable, per Weakley's Flora.
Common Black Cohosh,
Actaea racemosa
Petiole of basal leaves terete, not grooved (or with an early shallow groove), per Weakley's Flora.
Mountain Black Cohosh,
Actaea podocarpa
Petiole of basal leaves with a deep, broad groove (ca. 1mm wide & deep), per Weakley's Flora.
Early Meadow-rue,
Thalictrum dioicum
All leaves have long petioles; leaflets may have as many as 9 rounded lobes, per Wildflowers of the Southern Mountains.
Fig Buttercup,
Ficaria verna ssp. ficariiformis
Anecdotal observation: Petioles stout, grooved, not round in cross-section.