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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Hyparrhenia rufa subsp. rufa

This is usually a perennial grass, but it sometimes grows as an annual, [5] and it is variable in form. The nutritive value of ensiled forages cut at three stages of growth. The species has escaped from cultivation and has become invasive in hyparrhenia United States i.

While every care is taken to ensure the accuracy of this information, DEEDI does not invite reliance upon it, nor hypwrrhenia responsibility for any loss or damage caused by actions based on it.

When jaragua grass escapes from cultivated pastures, it is very competitive and can be a threat to the biological diversity in disturbed areas. It forms dense monospecific stands displacing native grasses and forbs, preventing the establishment of other species and transforming native savannas and forests into species-pure stands Weber, Uses Top of page H.

It can tolerate poor drainage, waterlogging and temporary flooding as well as salinity. Evaluation of ammonia sources to tropical grasses hays treatment. Revista del Instituto Colombiano Agropecuario, 17 3: Agroforestry Systems, 51 2: A review of guinea grass Panicum maximum for wet tropics of Australia. Botanical composition of diets selected by cattle on a natural pasture in Brazil.


This grass has been intentionally introduced repeatedly in tropical and subtropical regions to be used as a fodder, forage, hay, and silage crop FAO, Retrieved from ” https: Sheldon Navie ‘seed-head’ interspersed hyparrhenia leafy bracts Photo: Journal of Cytology and Genetics, National Germplasm Resources Laboratory.

Datasheet Hyparrhenia rufa Jaragua grass. Effect of level hyparrhenai Leucaena leucocephala rfua the diet on feed intake, growth and feed efficiency of Yankasa rams.

During the dry season hypatrhenia becomes very flammable. Plants of the Eastern Caribbean. Agroforestry Systems 51 2 It is also tolerant of drought and easily naturalizes in disturbed habitat sites.

Hyparrhenia rufa

Jaragua seeds can be broadcast or sown in cm rows FAO, ; Ecocrop, Hay Jaragua hay protein 4. This species is able to persist, and to produce high live-weight gains under intense grazing regimes. Jaragua is also tolerant of dry conditions: New York Academy of Sciences, pp.

It better tolerates loss of foliage to herbivores. Jaragua Hyparrhenia rufaaerial part, fresh. Small plants may be dug out by hand.

Jaragua grass grows best on black clay soils and latosols. Report to the Nature Conservancy.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

The leaves are cm long and mm wide Clayton et al. Results obtained in several Latin American countries are summarized in the table below.

Digestibility and fibre intake by goats.

Oecologia 96 2 Moreover, the weaning weight at days and yearling weight were low at kg and kg respectively. Hyparrhenia grass was reported to contain 0. Sheldon Navie stems and younger leaves Photo: Queensland Department of Primary Industries and Fisheries, Notes on Taxonomy and Nomenclature Top of page Poaceae is one of the largest families in hyparrheniq Angiosperms including around genera and over 11, species widely distributed in all regions of the world Stevens, Andropogon rufus Nees Kunth Andropogon xanthoblepharis Trin.


This tall grass can be used as thatchingas dufaand as pulp for making paper. It is also a useful thatching grass and general purpose straw, and can be used to make pulp for paper Quattrocchi, Perenial soybean and Jaragua hays. Sheldon Navie infestation late in the dry season Photo: Panicoideae Forages Invasive plant species.

Smithsonian Contributions to Botany, Weed controller Jaragua rhfa competes strongly with weeds and can smother them FAO, 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 al.

It was first recorded as naturalized in Hawaii in Wagner et al. Oecologia 88 2 In Africa, within its native range, H.

One or more hyaprrhenia the features that are needed to show you the maps functionality are not available in the web browser that you are using. Feed value of selected tropical grasses, legumes and concentrates.

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