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Taxon: Elymus semicostatus (Nees ex Steud.) Melderis

Genus: Elymus
Family: Poaceae (alt. Gramineae) subfamily: Pooideae tribe: Triticeae.
Nomen number: 102720
Place of publication: H. Hara et al., An enumeration of theflowering plants of Nepal 1:132. 1978
Name verified on: 06-May-1996 by ARS Systematic Botanists. Last updated: 05-Dec-2012
Species priority site is: Western Regional PI Station (W6).
Accessions: 18 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.


Economic importance:

  • Gene sources: tertiary genetic relative of wheat   (fide Wild Crop Rel Cer 2:78. 2011)

Distributional range:

      Native:
  • ASIA-TEMPERATE
    Western Asia: Afghanistan [n.e.]
  • ASIA-TROPICAL
    Indian Subcontinent: India [n.]; Nepal; Pakistan [n.]

References:

  • Baum, B. M. et al. 1991. Roegneria: its generic limits and justification for its recognition. Canad. J. Bot. 69:291. [= Roegneria semicostata (Steud.) Kitagawa].
  • Hodge, C. D. et al. 2010. Phylogenetic analysis of the maternal genome of tetraploid StStYY Elymus (Triticeae: Poaceae) species and the monogenomic Triticeae based on rps16 sequence data. Pl. Sci. (Elsevier) 178:463–468. [this study included one USDA accession (PI 531660) of Elymus semicostatus].
  • Mason-Gamer, R. J. et al. 2010. Phylogenetic relationships and reticulation among Asian Elymus (Poaceae) allotetraploids: Analyses of three nuclear gene trees. Molec. Phylogenet. Evol. 54:10–22. [this study included one USDA accession (PI 271522) of Elymus semicostatus].
  • Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
  • Salomon, B. & B.-R. Lu. 1994. Genomic relationships between species of the Elymus semicostatus group and Elymus sensu lato. Pl. Syst. Evol. 191:199–211. [this study examined four tetraploid species including Elymus semicostatus with SY genome].
  • Salomon, B. 1994. Taxonomy and morphology of the Elymus semicostatus group (Poaceae). Nordic J. Bot. 14:11.
  • Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys. In: Kole, C., ed., Wild crop relatives: genomic and breeding resources, cereals. 77–108. [this review mentioned the diversity of genome constitution in Triticeae, all types found in Elymus able to cross with wheat].
More:

Synonyms:


Check other web resources for Elymus semicostatus (Nees ex Steud.) Melderis:


Images:

More:
  • Check PlantSystematics.org for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy
| USDA | ARS | GRIN | NPGS | New Search |
Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?102720 (24 May 2013)

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