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Branched Hedge-hyssop,
Gratiola ramosa
Leaves sessile-clasping, narrowly lance-shaped, 1/4-3/4" long, entire or a few teeth near tip, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Allegheny Monkeyflower,
Mimulus ringens var. ringens
Leaves sessile, often clasping the stem, with obscurely crenate margins, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Wand Mullein,
Verbascum virgatum
Cauline leaves are lanceolate, crenate and sessile, per www.CalFlora.net.
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Woolly Mullein,
Verbascum thapsus ssp. thapsus
Middle to upper stem leaves sessile, decurrent down the stem to the next leaf, per Weakley's Flora (2023).
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Clasping Mullein,
Verbascum phlomoides
Middle to upper stem leaves sessile to auriculate-clasping, slightly or not at all decurrent, per Weakley's Flora (2023).
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Cuthbert’s Turtlehead,
Chelone cuthbertii
Leaves sessile, lanceolate, leaf base rounded, margins serrate, apex acuminate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Purslane Speedwell,
Veronica peregrina var. peregrina
Pedicels ca. 1mm long or flowers subsessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Corn Speedwell,
Veronica arvensis
Leaves palmately veined, upper sessile or subsessile, lower petiolate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Corn Speedwell,
Veronica arvensis
Its bright blue flowers are nearly sessile and less than 1/8" wide, per Wildflowers of the Southern Mountains (Smith, 1998).
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American Chaffseed,
Schwalbea americana
Leaves lanceolate or elliptic-lanceolate, entire, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Wood-betony,
Pedicularis canadensis
Stem leaves are reduced in size upward with the upper almost sessile, per Wildflowers of Tennessee (Carman, 2005).
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Blue Twinflower,
Dyschoriste oblongifolia
Stem pilose. Leaves oblanceolate to elliptic, ciliate, sessile or subsessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Hairy Wild-petunia,
Ruellia humilis
Stem typically branched at base. Leaves sessile or subsessile, per Weakley's Flora (2012).
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Carolina Wild-petunia,
Ruellia caroliniensis
Funnel-form flowers in sessile clusters in middle and upper nodes, per Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005).
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Carolina Wild-petunia,
Ruellia caroliniensis
Flowers in sessile clusters in upper axils, very few open at any one time, per Wildflowers of the Southern Mountains (Smith, 1998).
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Buttonbush,
Cephalanthus occidentalis
Numerous sessile flowers radiating in dense spherical heads, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Virginia Buttonweed,
Diodia virginiana
Leaves are sessile and opposite; flowers 1 (rarely 2) per leaf axil, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).
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Virginia Buttonweed,
Diodia virginiana
The white salverform flowers are sessile and borne in the leaf axils, per Wildflowers of Tennessee (Carman, 2005).
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Poor-joe,
Hexasepalum teres
Pinkish funnelform flowers are 4-lobed, sessile, & borne in leaf axils, per Wildflowers of Tennessee (Carman, 2005).
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Summer Bluet,
Houstonia purpurea
Flowers funnelform & in clusters; leaves ovate-lanceolate & sessile, per Wildflowers of the Southern Mountains (Smith, 1998).
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Forest Bedstraw,
Galium circaezans
Greenish flowers sessile, widely spaced on forked branches in upper axils, per Wildflowers of the Southern Mountains (Smith, 1998).
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Smooth Southern Bush-honeysuckle,
Diervilla sessilifolia
Leaves, at least the upper ones, are sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Orange-fruited Horse-gentian,
Triosteum aurantiacum var. aurantiacum
Leaves ovate or elliptic, 4-10" long, tapering to a narrow sessile base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Yellowfruit Horse-gentian,
Triosteum angustifolium +
Leaves elliptic, lanceolate, or oblanceolate, narrowed to a sessile base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Nannyberry,
Viburnum lentago
Flower clusters sessile or nearly so, per Trees of the Southeastern United States (Duncan & Duncan, 1988).
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Small-leaf Virburnum,
Viburnum obovatum
Flower clusters 1.5-2.5" wide, sessile or with a very small stalk, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Beaked Cornsalad,
Valerianella radiata
Cauline leaves opposite, sessile, spatulate or elliptic-lanceolate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Clasping Venus's Looking-glass,
Triodanis perfoliata
Clasping or sessile leaves less than 1" long and about as wide, per Wildflowers of the Southern Mountains (Smith, 1998).
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Southern Venus's Looking-glass,
Triodanis biflora
Leaves sessile or often short-petiolate, not (or only slightly) clasping, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Pale Spiked Lobelia,
Lobelia spicata
Leaves oblong, oblanceolate to elliptic, obtuse, base cuneate, mostly sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Indian-tobacco,
Lobelia inflata
Leaves mostly sessile, 2-3" long, ovate, with toothed margins, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Small's Ragwort,
Packera anonyma
Cauline leaves few, deeply pinnatifid, becoming sessile above, per Wildflowers of the Southern Mountains (Smith, 1998).
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Roundleaf Ragwort,
Packera obovata
[stem leaf on right] Stem leaves piinnately lobed & sessile upward, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Stokes Aster,
Stokesia laevis
Stem leaves reduced upward, becoming sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Blessed Thistle,
Centaurea benedicta
Heads sessile, closely subtended & partially concealed by large foliar bracts, per Weakley's Flora.
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Sandhill Thistle,
Cirsium repandum
Leaves are spreading, narrow, thorny, sessile, and crowded along the stem, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
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Grassleaf Blazing-star,
Liatris pilosa
The heads average about 10 flowers each and are almost sessile, per Wildflowers of the Southern Mountains (Smith, 1998).
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Chapman's Blazing-star,
Liatris chapmanii
Heads sessile, relatively crowded in a cylindric arrangement, per Weakley's Flora (2015).
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Southern Blazing-star,
Liatris squarrulosa
Often more than 20 heads, sessile or stalked, each with 14-24 flowers, per Wildflowers of Tennessee (Carman, 2005).
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Southern Blazing-star,
Liatris squarrulosa
Heads usually sessile, less commonly peduncles 1-8mm (rarely more), per Weakley's Flora (2015).
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Rough Blazing-star,
Liatris aspera
Inflorescence long & spikelike w many mostly sessile heads, 14-35 flowers ea, per Wildflowers of Tennessee (Carman, 2005).
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Rough Blazing-star,
Liatris aspera
Heads usually sessile, less often subsessile on peduncles 1-8mm (rarely more), per Weakley's Flora.
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Northern Blazing-star,
Liatris scariosa
Heads usually on peduncles usually 8-50mm (rarely subsessile), 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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White Boneset,
Eupatorium album
Leaves are sessile, coarsely toothed, mostly elliptical in outline, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
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Savanna Eupatorium,
Eupatorium leucolepis
Leaves well-spaced, almost sessile, about 12mm wide, with toothed margins, per Wildflowers of the Sandhills Region (Sorrie, 2011).
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Rosy Camphorweed,
Pluchea baccharis
Lvs oblong to elliptic-oblong, auriculate-clasping, sessile, w serrate margins, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Stinking Camphorweed,
Pluchea foetida var. foetida
Glandular, often ~ cobwebby. Leaves sessile, usually broad-based & clasping, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Fragrant Rabbit-tobacco,
Pseudognaphalium obtusifolium
Leaves almost hairless above, densely matted white hairy beneath, sessile, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Silverling,
Baccharis glomeruliflora
Heads mostly sessile, in clusters along twig in axils of leaves, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
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Annual Fleabane,
Erigeron annuus
Coarsely toothed cauline leaves > 3/8" wide, sessile but not clasping, per Wildflowers of the Southern Mountains (Smith, 1998).
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Daisy Fleabane,
Erigeron strigosus var. strigosus
Midstem leaves well separated, sessile, linear to lanceolate, not clasping, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Daisy Fleabane,
Erigeron strigosus var. strigosus
Leaves sessile, narrower than those of E. annuus, and mostly untoothed, per Wildflowers of the Southern Mountains (Smith, 1998).
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Common Horseweed,
Erigeron canadensis
Stem leaves sessile, long-ciliate particularly toward base, base attenuate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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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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Narrowleaf Whitetop Aster,
Sericocarpus linifolius
Leaves sessile, linear to narrowly elliptic, not differing very much in size, 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
Distalmost leaves usually sessile or subsessile, margins serrate or entire, per Flora of North America.
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Wavyleaf Aster,
Symphyotrichum undulatum
Cauline leaf blades sessile and cordate-clasping, and/or... [see next photo]
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Low Showy Aster,
Eurybia spectabilis
[Stem] leaves elliptic, acute, base cuneate to attentuate, sessile, clasping, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).