Hyparrhenia rufa is a large thatching grass which is commonly cultivated throughout the fires, H. rufa and other fire adapted non-native grasses, dominate the. H. rufa is a tall perennial grass widely naturalized in tropical and subtropical regions of the world where it has been intentionally introduced. Scientific Name. Hyparrhenia rufa (Nees) Stapf subsp. rufa. Family. Gramineae (South Australia) Poaceae (Queensland, New South Wales, the ACT, Victoria.


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The racemes are subtended by a large spathe and bear shortly hairy sessile bisexual and pedicelled male or sterile spikelets Quattrocchi, ; Clayton hyparrhenia rufa al.

Jaraguagrass: Hyparrhenia rufa (Cyperales: Poaceae): Invasive Plant Atlas of the United States

It is also a useful thatching grass and general purpose straw, and can be used to make pulp for paper Quattrocchi, Distribution Jaragua grass is a fast-growing grass that grows from spring to autumn Ecocrop, Jaragua is thought to be native of Africa and is now widely naturalized in most tropical regions Hyparrhenia rufa, Asia, North and South Americas, Pacific region.

Jaragua hyparrhenia rufa mainly found in seasonally flooded areas, open woodlands, disturbed areas, cultivated fields and under trees or on termite mounds.

It is found from sea level up to an altitude of m hyparrhenia rufa Colombia Ecocrop, It can withstand waterlogging and temporary flooding Quattrocchi, Jaragua is also tolerant of dry conditions: Jaragua grass grows best on black clay soils and latosols.

It responds positively to moderate applications of N and P fertilizer and tends to be sensitive to aluminium toxicity.

It cannot withstand frost but can regrow hyparrhenia rufa burning FAO, In recent years it has largely replaced grader grass Themeda quadrivalvisanother exotic grass, as the dominat grass on roadsides throughout the Mackay-Whitsunday Region.

Jaragua (Hyparrhenia rufa) | Feedipedia

It is now starting to colonise adjacent pasture paddocks and is considered to pose a significant threat to hyparrhenia rufa biodiversity in northern Australia. Jaragua grass Hyparrhenia rufa subsp.

It has become naturalised in northern hyparrhenia rufa central Queensland and in some parts of eastern New South Wales. Culms erect, 30— cm tall, 2—6 mm diam.

Ligule an eciliate membrane, 2—3 mm long. Leaf-blades 10—60 cm long, 2—8 mm wide.

Hyparrhenia rufa subsp. rufa

Inflorescence compound, composed of rames. Central inflorescence axis 5—80 cm long.

Curepe, Trinidad and Tobago: CAB International, pp. National list of invasive and potentially invasive plants in the Republic of Cuba - Pacific Islands Ecosystems at Risk.

Plant Resources of Tropical Africa. hyparrhenia rufa


Journal of Cytology and Genetics,