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Taxon: Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.

Genus: Heteropogon
Family: Poaceae (alt. Gramineae) subfamily: Panicoideae tribe: Andropogoneae.
Nomen number: 18953
Place of publication: Syst. veg. 2:836. 1817
Name verified on: 20-May-1992 by ARS Systematic Botanists. Last updated: 22-May-1997
Species priority site is: Southern Regional PI Station (S9).
Accessions: 18 in National Plant Germplasm System.
  • all available ) NPGS accessions ) or .
  • all available ) NPGS accessions by country.


SPECIES RESTRICTED BECAUSE STATE NOXIOUS WEED
A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:
CA*.
ªAquatic. *Terrestrial. °In seed.
Link to noxious weed information from Invaders Database System

Common names:

  • black spear grass   (Source: J. Veldkamp, p.c.) – English
  • bunch spear grass   (Source: J. Veldkamp, p.c.) – English
  • spear grass   (Source: Pl Res SEAs ) – English
  • tangle grass   (Source: Dict Rehm ) – English
  • tanglehead   (Source: Dict Rehm ) – English
  • Speergras   (Source: Dict Rehm ) – German
  • hierba torcida   (Source: Dict Rehm ) – Spanish

Economic importance:

More:

Distributional range:

      Native:
  • throughout tropic & warm-temperate regions

References:

  • 't Mannetje, L. & R. M. Jones, eds. 1992. Forages. Plant Resources of South-East Asia (PROSEA). (Pl Res SEAs) 4:137.
  • Alderson, J. & W. C. Sharp. 1995. Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. (Grass VarUSA)
  • Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan. (Grass BCIP)
  • Davidse, G. et al., eds. 1994. Flora mesoamericana. (F Mesoamer)
  • Englert, J. M. et al. 1999–. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators. (NRCS Cons Pl Mat)
  • FNA Editorial Committee. 1993–. Flora of North America. (F NAmer)
  • Food and Agriculture Organization of the UN (FAO). 2010. Ecocrop - on-line resource. (Ecocrop)
  • Lazarides, M. 1980. The tropical grasses of Southeast Asia. (Grass SEAs)
  • Malezasdemexico. Malezas de México - on-line resource. (Malezas Mex)
  • Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2. (Food Feed Crops US)
  • Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan. (F Pak)
  • Rehm, S. 1994. Multilingual dictionary of agronomic plants. (Dict Rehm)
  • Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa. (F TE Afr)
  • Veldkamp, J. F. 1997. pers. comm. [re. common names].
  • Zon, A. P. M. van der. 1992. Graminées du Cameroun. (Grass Camer)
More:

Synonyms:


Check other databases for Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.:

  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • World Grass Species-Descriptions: Morphological species description from Royal Botanic Gardens, Kew
  • Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
    Note: Defaults to a search by genus or species epithet if species binomial not found.

Images:

  • Seed: U.S. National Seed Herbarium image
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?18953 (09 February 2010)

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