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Chilean ricegrass

Scientific Name: Achnatherum caudatum

Family: Poaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Chilean Ricegrass (Amelichloa caudata)

Chilean ricegrass, scientifically known as Amelichloa caudata, is a perennial grass native to southern South America. It has also been known as Achnatherum caudatum, but is not an active name.

Taxonomy and Nomenclature

  • Accepted Scientific Name: Amelichloa caudata (Trin.) Arriaga &amp Barkworth
  • Synonym: Achnatherum caudatum (Trin.) S.L.W. Jacobs &amp J. Everett
  • Family: Poaceae (Grass Family)
  • Common Names: Chilean ricegrass, espartillo, broad-kernel espartillo, puna grass

Distribution and Habitat

This grass is native to southern South America, specifically Argentina and Chile. It has also been observed in Victoria, Australia, and New Zealand.

Ecological Role

Chilean ricegrass can be a threat to natural temperate grasslands and can invade riparian vegetation. It is listed as a weed that needs to be monitored in some regions.

Morphological Characteristics

Chilean ricegrass is a caespitose (tufted) perennial that can grow to approximately 1 meter in height. It lacks rhizomes and has erect, terete to slightly angled culms.