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Flat-branched Tree-clubmoss,
Dendrolycopodium obscurum
Strobili 1.5" long, 1-6 per upright branched stem, sessile, borne singly, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Hickey's Tree-clubmoss,
Dendrolycopodium hickeyi
Strobilus .3 - 2.5" long, sessile, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Prickly Tree-clubmoss,
Dendrolycopodium dendroideum
1-7(14) sessile strobili per upright stem, borne singly on branch ends, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Stiff Clubmoss,
Spinulum annotinum
Strobili sessile, borne directly above densely leafy portions of upright branches, per Weakley's Flora (2023).
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Southern Grapefern,
Sceptridium biternatum
Sporangia sessile, around 1mm in diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Alabama Lipfern,
Myriopteris alabamensis
Pinnae mostly alternate, distant, almost sessile. Ovate-lanceolate, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
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Northern Lady Fern,
Athyrium angustum
Pinnae sessile or with very short stalks, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Silvery Glade Fern,
Deparia acrostichoides
Pinnae narrow, sessile, deeply cut into rounded almost square-ended lobes, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Ebony Spleenwort,
Asplenium platyneuron
Pinnae alternate, with superior auricles; sessile, bases overlapping rachis, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
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Slender Woodoats,
Chasmanthium laxum
Spikelets flat and nearly sessile, with 1-4 fertile and 1 sterile flower, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Longleaf Woodoats,
Chasmanthium sessiliflorum var. sessiliflorum
Spikelets flat, subsessile, glumes and lemmas weakly nerved, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Orchard Grass,
Dactylis glomerata
Spikelets few-flowered, nearly sessile in dense 1-sided fascicles, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Virginia Wild-rye,
Elymus virginicus
Elymus species' spikelets are sessile, usually in 2s, alternating on spike, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Bermuda Grass,
Cynodon dactylon
Spikelets 1-flowered, awnless, sessile in 2 rows along one side of rachis, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Beaked Panicum,
Coleataenia anceps ssp. anceps
Split from Panicum because of its subsessile spikelets, among other things, per Vascular Plants of North Carolina.
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Carolina Jointgrass,
Mnesithea cylindrica
Sessile spikelets 4-5mm, the first glume pitted along the nerves, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Johnsongrass,
Sorghum halepense
Spikelets paired: one silky and sessile, one stalked and smooth, both w awns, per Wildflowers of Tennessee (Carman, 2005).
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Annual Greenhead Sedge,
Cyperus hortensis
Spikes 1-3, greenish, cylindric to subglobose, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Crested Greenhead Sedge,
Cyperus metzii
Inflorescences of former Kyliinga spp. are unbranched (the spikes sessile), per Weakley's Flora (2020).
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Redroot Flatsedge,
Cyperus erythrorhizos
Spikes numerous, congested, cylindrical. Central sessile, lateral rays unequal, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Ware's Hairsedge,
Bulbostylis warei
Spikelets sessile, the inflorescence thus a capitate cluster, per Weakley's Flora.
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Old World Hairsedge,
Bulbostylis barbata
Spikelets sessile, the inflorescence thus a capitate cluster, per Weakley's Flora.
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Carolina Fimbry,
Fimbristylis caroliniana
Inflorescence terminal, cymose, with sessile and pedicellate spikelets, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Keeled Bulrush,
Isolepis carinata
Inflorescence of 1-3 ovoid, sessile spikelets, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Leafy Bulrush,
Scirpus polyphyllus
Spikelets ovoid, 3-4mm long, 2-3mm broad, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Leafy Bulrush,
Scirpus polyphyllus
Inflorescence branched. Spikelets in umbellate clusters or heads, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Prickly Bog Sedge,
Carex atlantica
Spikes mostly uniform, sessile. Perigynia broadly ovoid, spreading, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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False Hop Sedge,
Carex lupuliformis
Perigynia ascending to spreading, sessile, lance-ovoid, shiny, glabrous;..., per Flora of North America.
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Green Dragon,
Pinellia tripartita
Leaf blade's anterior lobe broadly ovate or ovate-oblong, sessile, per Flora of China.
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Chinese Green Dragon,
Pinellia pedatisecta
Leaf blade always pedate; leaflets sessile, lanceolate, base cuneate, per Flora of China.
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Little Sweet Betsy,
Trillium cuneatum
The flower has no stalk; it is thus referred to as a sessile flower, per Wild Flowers of NC, 1st edition.
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Underwood's Trillium,
Trillium underwoodii
The only erect Trillium w stem less than 2x long as sessile leaves, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Decumbent Trillium,
Trillium decumbens
The three sessile petals are slightly twisted, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Pale Yellow Trillium,
Trillium discolor
The only sessile-flowered Trillium with clawed spatulate pale yellow petals, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Lanceleaf Trillium,
Trillium lancifolium
Leaves mottled, sessile, narrowly elliptic, 2-3" long, rarely > 1" wide, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Bent Trillium,
Trillium flexipes
Leaves are green, sessile and broadly rhombic, from 3-6" long, per Wildflowers of Tennessee (Carman, 2005).
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Starry Solomon's Plume,
Maianthemum stellatum
Leaves 6-11 per stem; leaf blades sessile or subclasping at the base, per Weakley's Flora (2022).
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Canada Mayflower,
Maianthemum canadense
The 2-3 leaves are smooth, sessile or short-stalked, w a heart-shaped base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Rosy Twisted-stalk,
Streptopus lanceolatus var. lanceolatus
Leaves alternate in 2 rows, sessile, with prominent parallel veins, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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White-hellebore,
Veratrum viride
Heavily ribbed oval leaves up to 12" long, sessile or somewhat clasping, per Wildflowers of the Southern Mountains (Smith, 1998).
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Mountain Bellwort,
Uvularia puberula
Lvs glabrous, lustrous, thick, elliptic, acute to slightly acuminate, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Cinnamon Vine,
Dioscorea polystachya
Rachis of male spikes obviously zigzagged; flowers sessile, per Flora of China.
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Pale Blue-eyed-grass,
Sisyrinchium albidum
A single outer bract, 3.5-10cm long, subtends twinned pair of sessile spathes, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Pale Blue-eyed-grass,
Sisyrinchium albidum
Infl. paired, sessile (or to 5mm), closely subtended by long, bractlike leaf, per Flora of North America.
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Needletip Blue-eyed-grass,
Sisyrinchium mucronatum
Each scape has a solitary sessile purple spathe bearing clusters of flowers, per Wildflowers of the Southern Mountains (Smith, 1998).
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Southern Twayblade,
Neottia bifolia
A single pair of sessile ovate leaves on the stem, per Wildflowers of the Southern Mountains (Smith, 1998).
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Upland Willow,
Salix humilis
Fruiting catkins subsessile, 1.5-3cm long; capsule grayish, pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Common Wax-myrtle,
Morella cerifera
Male flowers in sessile, axillary, dense cylindrical catkins, 6-10mm x 4-6mm, per Trees of the Southeastern United States (Duncan & Duncan, 1988).
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Green Alder,
Alnus crispa
Male catkin buds sessile, not pendent, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
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Beaked Hazelnut,
Corylus cornuta var. cornuta
Male catkins sessile and dangling, on 1-year-old lateral twigs, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Weak Nettle,
Urtica chamaedryoides
Staminate and pistillate flowers intermixed, sessile to short-pedunculate, per Flora of North America.
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Sandhill Wild-buckwheat,
Eriogonum tomentosum
Stem leaves sessile, elliptical in outline, and borne 3-4 at a node, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
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Sandhill Wild-buckwheat,
Eriogonum tomentosum
Flower heads sessile or short-stalked with 10-20 white to pinkish flowers, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
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Small Sea-purslane,
Sesuvium maritimum
Similar to S. portulacastrum but flowers sessile, with only 5 stamens, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Menges' Fameflower,
Phemeranthus mengesii
Stems more or less erect, usually branching. Leaves sessile; blade terete, per Flora of North America.
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Lesser Stitchwort,
Stellaria graminea
Stem glabrous. Leaves lanceolate, elliptic or linear, 4-40mm long, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Common Mouse-ear Chickweed,
Cerastium fontanum ssp. vulgare
Leaves sessile, oval to elliptical (lower usually spoon-shaped), 1" long or less, densely hairy, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Nodding Mouse-ear Chickweed,
Cerastium nutans
Leaves are elliptic to lanceolate, sessile to nearly clasping, per Vascular Plants of North Carolina.
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Soapwort,
Saponaria officinalis
Leaves sessile or clasping, strongly 3-veined, smooth, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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Forked Catchfly,
Silene dichotoma ssp. dichotoma
Sessile flowers borne on a one-sided raceme-like inflorescence, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).