Your search found 113 image(s) illustrating the term "sheath." For a written explanation, click on "sheath" in the Glossary.
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Mohr's Bluestem,
Andropogon mohrii
Peduncles inserted, 2cm or less long; sheaths inflated, usually overlapping, per Vascular Flora of the Carolinas.
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Elliott's Bluestem,
Andropogon gyrans
Raceme clusters clasped by leaflike bracts, these clasped by leaf sheaths, per Wildflowers of the Eastern United States.
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Broomsedge,
Andropogon virginicus var. virginicus
Sheaths glabrous or more or less pilose along margins, occ conspicuously so, per Manual of the Grasses of the United States.
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Longbeard Bluestem,
Andropogon longiberbis
The bases of the racemes not exserted above the apex of the raceme sheath, per Weakley's Flora (2012).
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Yellow Indiangrass,
Sorghastrum nutans
Note auricled sheaths and narrow flat blades, per Manual of the Grasses of the United States.
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Granite Flatsedge,
Cyperus granitophilus
Leaf blades strongly keeled, sheaths reddish, per Vascular Flora of the Carolinas.
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jointed flatsedge,
Cyperus articulatus
Blades flattish, absent or to 2cm long; leaves usually just a loose sheath, per Vascular Flora of the Carolinas.
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Woodland Bulrush,
Scirpus expansus
Leaf sheaths of lower leaves are red and give the stem a red-banded look, per Vascular Plants of North Carolina.
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Leafy Bulrush,
Scirpus polyphyllus
The ventral surface of the sheath is purple-spotted, per Vascular Flora of the Carolinas.
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Sawgrass,
Cladium jamaicense
Stolons about 1cm in diameter sheathed by scalelike leaves 1.5-2cm long, per Aquatic and Wetland Plants of Southeastern United States by Robert K. Godfrey, Jean W. Wooten.
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Heavy Sedge,
Carex gravida
Leaf sheaths loose, backs striped with green and white (not white-spotted), per Weakley's Flora (2015).
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Appalachian Sedge,
Carex appalachica
Leaf blades 0.5-2.5mm wide, sheaths tight, per Vascular Flora of the Carolinas.
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Yellowfruit Sedge,
Carex annectens
Leaf blades shorter than flowering stem, sheath fronts indistinctly spotted, per Flora of North America.
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lined sedge,
Carex striatula
Perigynia (papery sheath enveloping nutlet) strongly nerved, whitish, fusiform, per Vascular Flora of the Carolinas.
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Wretched Sedge,
Carex misera
A softly hairy, purplish, basal sheath encircles the stem, per Field Guide to the Rare Plants of Georgia.
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Cherokee Sedge,
Carex cherokeensis
Leaf blades 4-5mm wide; sheaths brownish, glabrous, per Vascular Flora of the Carolinas.
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Twisted Sedge,
Carex torta
Clump-forming perennial w flat grass-like leaves, reddish-brown basal sheath, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.
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greater bladder sedge,
Carex intumescens var. intumescens
Perigynium [papery sheath enveloping nutlet] nerved, lustrous, w rounded base, per Vascular Flora of the Carolinas.
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Shortleaf yellow-eyed-grass,
Xyris brevifolia
Leaves linear; shorter than, equaling or slightly exceeding the scape's sheath, per Weakley's Flora.
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Virginia Dayflower,
Commelina virginica
Leaves lanceolate, 4-8" long, 1-2" wide, leaf bases sheathing the stem, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Virginia Dayflower,
Commelina virginica
Sheath margins noticeably hairy with coarse reddish hairs, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Erect Dayflower,
Commelina erecta var. erecta
Leaves narrow, 2-6" long, with a white hairy sheath around stem, per Wildflowers of Tennessee.
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Sand Dayflower,
Commelina erecta var. angustifolia
Flowers grow from within broad fused bracts (spathes) that sheath the stem, per Wildflowers of the Sandhills Region.
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Asiatic Dayflower,
Commelina communis
Leaves lanceolate-ovate, 2-5" long, bases sheathing the stem, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Asiatic Dayflower,
Commelina communis
Leaves with tubular sheaths that are 0.7-2.5cm long and have ciliate margins, per Vascular Flora of the Carolinas.
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Tropical Spiderwort,
Commelina benghalensis
Leaf sheaths ciliate w coarse reddish-brown hairs, the sheath not auriculate, per Weakley's Flora (2015).
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Murdannia,
Murdannia keisak
Plants resembling Commelina but flowers not borne in a conspicuous sheath, per Wildflowers of the Eastern United States.
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Zigzag Spiderwort,
Tradescantia subaspera
Leaves 0.6-4.5cm wide (upper leaf blades wider than opened flattened sheath), per Vascular Flora of the Carolinas.
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Virginia Spiderwort,
Tradescantia virginiana
Leaves 15-35cm long, 5-12mm wide (narrower than opened flattened sheath), per Vascular Flora of the Carolinas.
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Smooth Spiderwort,
Tradescantia ohiensis
Leaves 6-20mm wide (narrower than opened flattened sheath). Sheaths glabrous, per Vascular Flora of the Carolinas.
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Hairy Spiderwort,
Tradescantia hirsuticaulis
Leaves 7-25cm long, 5-15mm wide (narrower than opened flattened sheath), per Vascular Flora of the Carolinas.
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Hairy Spiderwort,
Tradescantia hirsutiflora
Leaf blades of upper leaves are not constricted to a subpetiolar sheath, per Weakley's Flora.
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Heartleaf Pickerelweed,
Pontederia cordata var. cordata
Leaves basally sheathing, petiolate, and parallel curved-convergent veined, per Plant Systematics.
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Summer Snowflake,
Leucojum aestivum
Leaves linear, 4-6dm long, surrounded at base by tubular sheaths, per Vascular Flora of the Carolinas.
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Rocky-shoals Spiderlily,
Hymenocallis coronaria
Leaves basal, linear, strap-like, surrounded at base by tubular sheaths, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Large Yellow Lady's Slipper,
Cypripedium parviflorum var. pubescens
3-5 leaves, mostly sheathed, widely spaced on the stem, pleated, hairy, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Small Yellow Lady's Slipper,
Cypripedium parviflorum var. parviflorum
Leaves alternate, usually 3, mostly sheathing, pleated, hairy, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Large Purple Fringed Orchid,
Platanthera grandiflora
Leaves alternate, lanceolate, keeled, to 8" long, sheathing the lower stem, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Jumpseed,
Persicaria virginiana
The base of the leaf stalk forms a short sheath (ocrea) around the stem, per Wildflowers of Tennessee.
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Jumpseed,
Persicaria virginiana
4 tepals ~ 0.1" long, with base of each flower or its stalk in a sheath, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Prostrate Knotweed,
Polygonum aviculare ssp. aviculare
Sheaths [ocreae] silvery. Plant usually prostrate, sometimes erect, per Newcomb's Wildflower Guide.
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Queen Anne's Lace,
Daucus carota
Leaf stalks in the Apiaceae usually have a broad sheathing base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Southern Chervil,
Chaerophyllum tainturieri
Petiole sheath ciliate, per Vascular Flora of the Carolinas.
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Hairy-jointed Meadow-parsnip,
Thaspium barbinode
The hispid, purple-tinged leaf sheath is a good [field id] character, per Weakley's Flora (2012).
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Hairy-jointed Meadow-parsnip,
Thaspium barbinode
The hispid, purple-tinged leaf sheath is a good [field id] character, per Weakley's Flora (2012).
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American Lovage,
Ligusticum canadense
The petioles have narrow basal sheaths, per Wildflowers of the Southern Mountains.
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Mountain Angelica,
Angelica triquinata
Leaves reduced in size above: upper ones sometimes consist of only a sheath, per Wildflowers of the Southern Mountains.
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Wild Parsnip,
Pastinaca sativa
In the family Apiaceae, petioles are usually sheathing at their base, per Flora of China.
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Cow-parsnip,
Heracleum maximum
The sheaths of the petioles expanded to as much as 2" wide, per Wildflowers of the Southern Mountains.
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Poor-joe,
Hexasepalum teres
Stipules to 0.4" long have a short sheath and 5-8 bristles, per Wildflowers of Tennessee.
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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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Savannah Grass-leaved Aster,
Eurybia paludosa
Grass-like leaves that sheath often-red stems help distinguish this species. — Will Stuart
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Granite Dome Goldenrod,
Solidago simulans
Petiole bases of basal and lower cauline leaves sheathing the stem, per Weakley's Flora (2012).