Difference between revisions of "Elymus virginicus var. virginicus"
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms= | |basionyms= | ||
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| − | |distribution=Del.;D.C;Wis.;Alta.;B.C.;Man.;N.B.;Nfld. | + | |distribution=Del.;D.C.;Wis.;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Labr.);N.S.;Ont.;P.E.I.;Que.;Sask.;Ariz.;Ga.;N.C.;Pa.;S.C.;S.Dak.;W.Va.;Wyo.;Fla.;N.H.;N.J.;N.Mex.;Tex.;La.;Conn.;N.Y.;N.Dak.;Tenn.;R.I.;Va.;Md.;Ala.;Ark.;Vt.;Ill.;Ind.;Iowa;Maine;Kans.;Nebr.;Okla.;Mass.;Ohio;Mo.;Minn.;Mich.;Miss.;Ky. |
|discussion=<p><i>Elymus virginicus </i>var.<i> virginicus</i> grows in moist to damp or rather dry soil, mostly on bottomland or fertile uplands, in open woods, thickets, tall forbs, or weedy sites. It is widespread and abundant in the eastern range of the species, but also overlaps with <i></i>var.<i> jejunus</i> in the Great Plains, east to Texas and Manitoba. Its dimensions have much genetic and phenotypic variation (Brooks 1974). It occasionally hybridizes with sympatric <i>Elymus</i> species, including <i>E. riparius</i> (p. 302), and even with <i>Hordeum</i> (Bowden 1958; Church 1958; Pohl 1959; Nelson and Tyrl 1978). In its eastern range, most plants are distinctively short, reaching only 30-90 cm, with sheathed spikes 6-10 cm long. In more open or drier environments, especially in midwestern regions, plants are often more glaucous, robust, and exserted, grading into <i></i>var.<i> jejunus</i>. Awn length increases towards the south, suggesting introgression with <i>E. glabriflorus</i> (p. 296) (Davies 1980). Pubescent blades are generally absent, but appear more frequently in Wisconsin and perhaps other northern areas.</p> | |discussion=<p><i>Elymus virginicus </i>var.<i> virginicus</i> grows in moist to damp or rather dry soil, mostly on bottomland or fertile uplands, in open woods, thickets, tall forbs, or weedy sites. It is widespread and abundant in the eastern range of the species, but also overlaps with <i></i>var.<i> jejunus</i> in the Great Plains, east to Texas and Manitoba. Its dimensions have much genetic and phenotypic variation (Brooks 1974). It occasionally hybridizes with sympatric <i>Elymus</i> species, including <i>E. riparius</i> (p. 302), and even with <i>Hordeum</i> (Bowden 1958; Church 1958; Pohl 1959; Nelson and Tyrl 1978). In its eastern range, most plants are distinctively short, reaching only 30-90 cm, with sheathed spikes 6-10 cm long. In more open or drier environments, especially in midwestern regions, plants are often more glaucous, robust, and exserted, grading into <i></i>var.<i> jejunus</i>. Awn length increases towards the south, suggesting introgression with <i>E. glabriflorus</i> (p. 296) (Davies 1980). Pubescent blades are generally absent, but appear more frequently in Wisconsin and perhaps other northern areas.</p> | ||
|tables= | |tables= | ||
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|illustrator=Cindy Roché;Annaliese Miller | |illustrator=Cindy Roché;Annaliese Miller | ||
|illustration copyright=Utah State University | |illustration copyright=Utah State University | ||
| − | |distribution=Del.;D.C;Wis.;Alta.;B.C.;Man.;N.B.;Nfld. | + | |distribution=Del.;D.C.;Wis.;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Labr.);N.S.;Ont.;P.E.I.;Que.;Sask.;Ariz.;Ga.;N.C.;Pa.;S.C.;S.Dak.;W.Va.;Wyo.;Fla.;N.H.;N.J.;N.Mex.;Tex.;La.;Conn.;N.Y.;N.Dak.;Tenn.;R.I.;Va.;Md.;Ala.;Ark.;Vt.;Ill.;Ind.;Iowa;Maine;Kans.;Nebr.;Okla.;Mass.;Ohio;Mo.;Minn.;Mich.;Miss.;Ky. |
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_422.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Latest revision as of 16:23, 11 May 2021
Plants not glaucous, usually becoming yellowish brown, occasionally somewhat purplish at maturity. Culms (30)40-90(130) cm; nodes usually 4-8, concealed or exposed; auricles and ligules sometimes pronounced. Blades 3-18 mm wide, lax or involute, usually scabridulous, rarely pubescent. Spikes 4-16(22) cm, partly sheathed; spikelets smooth or scabridulous, not glaucous; glumes 1-2(2.3) mm wide, indurate and bowed out in the basal 2-4 mm. Anthesis mid-June to late July.
Distribution
Del., D.C., Wis., Alta., B.C., Man., N.B., Nfld. and Labr. (Labr.), N.S., Ont., P.E.I., Que., Sask., Ariz., Ga., N.C., Pa., S.C., S.Dak., W.Va., Wyo., Fla., N.H., N.J., N.Mex., Tex., La., Conn., N.Y., N.Dak., Tenn., R.I., Va., Md., Ala., Ark., Vt., Ill., Ind., Iowa, Maine, Kans., Nebr., Okla., Mass., Ohio, Mo., Minn., Mich., Miss., Ky.
Discussion
Elymus virginicus var. virginicus grows in moist to damp or rather dry soil, mostly on bottomland or fertile uplands, in open woods, thickets, tall forbs, or weedy sites. It is widespread and abundant in the eastern range of the species, but also overlaps with var. jejunus in the Great Plains, east to Texas and Manitoba. Its dimensions have much genetic and phenotypic variation (Brooks 1974). It occasionally hybridizes with sympatric Elymus species, including E. riparius (p. 302), and even with Hordeum (Bowden 1958; Church 1958; Pohl 1959; Nelson and Tyrl 1978). In its eastern range, most plants are distinctively short, reaching only 30-90 cm, with sheathed spikes 6-10 cm long. In more open or drier environments, especially in midwestern regions, plants are often more glaucous, robust, and exserted, grading into var. jejunus. Awn length increases towards the south, suggesting introgression with E. glabriflorus (p. 296) (Davies 1980). Pubescent blades are generally absent, but appear more frequently in Wisconsin and perhaps other northern areas.
Selected References
None.