jaraguagrass, USDA PLANTS Symbol: HYRU2 U.S. Nativity: Exotic Habit: Grass or Grasslike. Hyparrhenia rufa (Nees) Stapf. H. rufa is a tall perennial grass widely naturalized in tropical and subtropical regions of the world where it has been intentionally introduced. The plant is often gathered from the wild for local use in thatching and weaving, whilst it is also widely cultivated through many areas of the tropics as a drought.

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It replaces native grasses, particularly after fires, and dominates the understorey of open woodland areas.

Check our website at www. It is not a very nutritious grass, so it is generally supplemented with legumes for nitrogen and molassescitrus pulpor bran for energy. Views Read Edit View history.

Hyparrhenia rufa – Useful Tropical Plants

University of the West Indies. Sociobiology 54 1 When jaragua grass escapes from cultivated pastures, it is very competitive and can be a threat to the biological diversity in disturbed areas. Articles with ‘species’ microformats Commons category link from Wikidata Taxonbars ruga 20—24 taxon IDs. The genus Hyparrhenia includes about 50 species mostly of African origin, with some species widely distributed throughout the tropics Wagner et al. Monocotyledonae Summary of Invasiveness H.

Invasive species with an impact on biodiversity The creation of a jaragua pasture may alter soil water balance in the tropical, subtropical and warm temperate areas of the Americas. This grass is grown in pastures for grazing and is cut for fodderincluding hay and silage. Retrieved from ” https: Perenial soybean and Jaragua hays. Uses Top of page H.


These results are mainly attributed to the poor quality and low DM availability of the pasture, which limit the attainment of the genetic potential of the various breeds Osorio-Arce et hyparrhenis. The distribution in this summary table is based on all the information available. Boletim de Industria Animal, 39 1: Revista del Instituto Colombiano Agropecuario, 17 3: The risk of introduction of H.

Description Top of page H.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Reclamation and management of pastures of Jaragua grass Hyparrhenia rufa in Rondonia, Brazil. Boletim de Industria Animal, 39 2: Risk of Introduction Top of page The risk of introduction of H. It is also a potential seed crop contaminant and consequently unintentional introduction could also occur. It is used for grazing and for hay and silage FAO, Thatch grass Hyparrhenia rufa subsp. Flora of North America. Diversity and Distributions, 10 2: Effect of level of Leucaena leucocephala in the diet on feed intake, growth and feed efficiency of Yankasa rams.

Outside its native range, it is naturalized in grassland, savanna, dry hyparrrhenia, disturbed sites and in cultivated fields from sea-level up to m FAO, Environmental Impact Top of page H. The racemes are lined with pairs of fufa, the red-haired fertile spikelets without stalks and the smaller sterile spikelets on stalks. On the llanos of South America it has grown easily on the moist grasslands that resemble those of its original range.


The grass is susceptible to the plant pathogenic nematodes Helicotylenchus pseudopaxilliPratylenchus brachyurusand Longidorus laevicapitatus. A review of guinea grass Panicum maximum for wet tropics of Australia.

Hyparrhenia rufa subsp. rufa

Effects of Trypanosoma congolense infection and groundnut Arachis hypogaea hay supplementation on ranging, activity, and diet selection of N’Dama cows. Please consider upgrading your browser to the latest version or installing a new browser. Survey of the mineral status of pastures and small ruminants in the West Ruva of Cameroon. Andropogon rufus Nees Kunth Andropogon xanthoblepharis Trin.

Annual Review in Ecology and Systematics, However direct experiment with rabbits would be advisable before being extensively used Lebas, personal communication This tall grass can be used as thatchingas strawand as pulp for making paper. Generate a print friendly version containing only the sections you need. Plant and animal families Plant and animal species.

In recent years it has largely replaced grader grass Themeda quadrivalvisanother exotic grass, as the dominat grass on roadsides throughout the Mackay-Whitsunday Region. Prevention and Control Top of page Small plants may be dug out by hand.

Hyparrhenia rufa

Adding molasses to the leaves increased the leaf intake from 0. The culms are coarse, mm in diameter Clayton et al. This species is able to persist, and to produce high live-weight gains under intense grazing regimes.