Illustrator: Cindy Roché and Annaliese Miller
Ala., Ark., Conn., D.C, Fla., Ga., Iowa, Ill., Ind., Kans., Ky., La., Mass., Md., Maine, Mo., Miss., N.C., N.H., N.J., Ohio, Okla., S.C., Tenn., Tex., Va., Vt., W.Va.
Elymus glabriflorus grows on moist, damp, or dry soil in open woods, thickets, and tall grasslands, sometimes spreading into old fields and roadsides. It is found in most of the southeastern United States, extending north to Iowa, Illinois, Indiana, West Virginia, and along the Atlantic coast to Maine; it is rare north of Maryland. Anthesis is usually 2-4 weeks later than in E. virginicus (see next) and other sympatric taxa, even in Texas, where it occurs up to a month earlier than the dates given (Davies 1980).
Elymus glabriflorus varies greatly in its pubescence, but without clear taxonomic relevance. Plants that combine pubescent spikelets and, usually, pubescent leaves with somewhat shorter spikes (6-12 cm versus 9-20 cm) and lemmas (6-10 mm versus 7-13 mm) are typical on relatively dry, infertile soils, especially in hilly interior regions, and are less frequent on the southeastern coastal plain. They have been named E. glabriflorus var. australis (Scribn. & C.R. Ball) J.J.N. Campb. In contrast, glabrous to scabrous plants that are often more robust usually grow on relatively moist or damp soils of bottomlands and upland depressions.
Elymus glabriflorus is most closely related to E. macgregorii (see previous) and E. virginicus, forming occasional hybrids with both (Campbell 2000). It is sometimes confused with E. villosus (p. 302), from which it differs in having erect spikes, and glumes that are bowed out and disarticulate at maturity. It has also been confused with E. canadensis, especially E. canadensis var. robustus (p. 305), which may be derived from introgressants between the two species (Davies 1980). Hybrids with E. hystrix (p. 316) are also known, with apparent introgression at some range margins. Artificial crosses with other species failed in several cases (Church 1967a, 1967b).
|Author||Mary E. Barkworth +, Julian J.N. Campbell + and Bjorn Salomon +|
|Authority||(Vasey ex L.H. Dewey) Scribn. & C.R. Ball +|
|Common name||Southeastern wildrye +|
|Distribution||Ala. +, Ark. +, Conn. +, D.C +, Fla. +, Ga. +, Iowa +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Mass. +, Md. +, Maine +, Mo. +, Miss. +, N.C. +, N.H. +, N.J. +, Ohio +, Okla. +, S.C. +, Tenn. +, Tex. +, Va. +, Vt. + and W.Va. +|
|Illustrator||Cindy Roché and Annaliese Miller +|
|Source xml||https://firstname.lastname@example.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse grained fna xml/V24/V24 417.xml +|
|Synonyms||Elymus virginicus var. glabriflorus +, Elymus virginicus var. australis +, Australis +, Elymus glabriflorus var. australis + and Elymus australis +|
|Taxon family||Poaceae +|
|Taxon name||Elymus glabriflorus +|
|Taxon parent||Elymus +|
|Taxon rank||species +|
|Volume||Volume 24 +|