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.
Elliott's Bluestem,
Andropogon gyrans
Raceme clusters clasped by leaflike bracts, these clasped by leaf sheaths, per Wildflowers of the Eastern United States.
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.
Longbeard Bluestem,
Andropogon longiberbis
The bases of the racemes not exserted above the apex of the raceme sheath, per Weakley's Flora (2012).
Yellow Indiangrass,
Sorghastrum nutans
Note auricled sheaths and narrow flat blades, per Manual of the Grasses of the United States.
Granite Flatsedge,
Cyperus granitophilus
Leaf blades strongly keeled, sheaths reddish, per Vascular Flora of the Carolinas.
jointed flatsedge,
Cyperus articulatus
Blades flattish, absent or to 2cm long; leaves usually just a loose sheath, per Vascular Flora of the Carolinas.
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.
Leafy Bulrush,
Scirpus polyphyllus
The ventral surface of the sheath is purple-spotted, per Vascular Flora of the Carolinas.
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.
Heavy Sedge,
Carex gravida
Leaf sheaths loose, backs striped with green and white (not white-spotted), per Weakley's Flora (2015).
Appalachian Sedge,
Carex appalachica
Leaf blades 0.5-2.5mm wide, sheaths tight, per Vascular Flora of the Carolinas.
Yellowfruit Sedge,
Carex annectens
Leaf blades shorter than flowering stem, sheath fronts indistinctly spotted, per Flora of North America.
lined sedge,
Carex striatula
Perigynia (papery sheath enveloping nutlet) strongly nerved, whitish, fusiform, per Vascular Flora of the Carolinas.
Wretched Sedge,
Carex misera
A softly hairy, purplish, basal sheath encircles the stem, per Field Guide to the Rare Plants of Georgia.
Cherokee Sedge,
Carex cherokeensis
Leaf blades 4-5mm wide; sheaths brownish, glabrous, per Vascular Flora of the Carolinas.
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.
greater bladder sedge,
Carex intumescens var. intumescens
Perigynium [papery sheath enveloping nutlet] nerved, lustrous, w rounded base, per Vascular Flora of the Carolinas.
Shortleaf yellow-eyed-grass,
Xyris brevifolia
Leaves linear; shorter than, equaling or slightly exceeding the scape's sheath, per Weakley's Flora.
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.
Virginia Dayflower,
Commelina virginica
Sheath margins noticeably hairy with coarse reddish hairs, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Erect Dayflower,
Commelina erecta var. erecta
Leaves narrow, 2-6" long, with a white hairy sheath around stem, per Wildflowers of Tennessee.
Sand Dayflower,
Commelina erecta var. angustifolia
Flowers grow from within broad fused bracts (spathes) that sheath the stem, per Wildflowers of the Sandhills Region.
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.
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.
Tropical Spiderwort,
Commelina benghalensis
Leaf sheaths ciliate w coarse reddish-brown hairs, the sheath not auriculate, per Weakley's Flora (2015).
Murdannia,
Murdannia keisak
Plants resembling Commelina but flowers not borne in a conspicuous sheath, per Wildflowers of the Eastern United States.
Zigzag Spiderwort,
Tradescantia subaspera
Leaves 0.6-4.5cm wide (upper leaf blades wider than opened flattened sheath), per Vascular Flora of the Carolinas.
Virginia Spiderwort,
Tradescantia virginiana
Leaves 15-35cm long, 5-12mm wide (narrower than opened flattened sheath), per Vascular Flora of the Carolinas.
Smooth Spiderwort,
Tradescantia ohiensis
Leaves 6-20mm wide (narrower than opened flattened sheath). Sheaths glabrous, per Vascular Flora of the Carolinas.
Hairy Spiderwort,
Tradescantia hirsuticaulis
Leaves 7-25cm long, 5-15mm wide (narrower than opened flattened sheath), per Vascular Flora of the Carolinas.
Hairy Spiderwort,
Tradescantia hirsutiflora
Leaf blades of upper leaves are not constricted to a subpetiolar sheath, per Weakley's Flora.
Heartleaf Pickerelweed,
Pontederia cordata var. cordata
Leaves basally sheathing, petiolate, and parallel curved-convergent veined, per Plant Systematics.
Summer Snowflake,
Leucojum aestivum
Leaves linear, 4-6dm long, surrounded at base by tubular sheaths, per Vascular Flora of the Carolinas.
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.
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.
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.
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.
Jumpseed,
Persicaria virginiana
The base of the leaf stalk forms a short sheath (ocrea) around the stem, per Wildflowers of Tennessee.
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.
Prostrate Knotweed,
Polygonum aviculare ssp. aviculare
Sheaths [ocreae] silvery. Plant usually prostrate, sometimes erect, per Newcomb's Wildflower Guide.
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.
Southern Chervil,
Chaerophyllum tainturieri
Petiole sheath ciliate, per Vascular Flora of the Carolinas.
Hairy-jointed Meadow-parsnip,
Thaspium barbinode
The hispid, purple-tinged leaf sheath is a good [field id] character, per Weakley's Flora (2012).
Hairy-jointed Meadow-parsnip,
Thaspium barbinode
The hispid, purple-tinged leaf sheath is a good [field id] character, per Weakley's Flora (2012).
American Lovage,
Ligusticum canadense
The petioles have narrow basal sheaths, per Wildflowers of the Southern Mountains.
Mountain Angelica,
Angelica triquinata
Leaves reduced in size above: upper ones sometimes consist of only a sheath, per Wildflowers of the Southern Mountains.
Wild Parsnip,
Pastinaca sativa
In the family Apiaceae, petioles are usually sheathing at their base, per Flora of China.
Cow-parsnip,
Heracleum maximum
The sheaths of the petioles expanded to as much as 2" wide, per Wildflowers of the Southern Mountains.
Poor-joe,
Hexasepalum teres
Stipules to 0.4" long have a short sheath and 5-8 bristles, per Wildflowers of Tennessee.
White Arrowleaf Aster,
Symphyotrichum urophyllum
Basal leaves long-petiolate, petioles not or narrowly winged, sheathing, per Flora of North America.
Savannah Grass-leaved Aster,
Eurybia paludosa
Grass-like leaves that sheath often-red stems help distinguish this species. Will Stuart
Granite Dome Goldenrod,
Solidago simulans
Petiole bases of basal and lower cauline leaves sheathing the stem, per Weakley's Flora (2012).