Biology:Tripsacum australe

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Short description: Species of flowering plant

Tripsacum australe
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Genus: Tripsacum
Species:
T. australe
Binomial name
Tripsacum australe
(H.C.Cutler & E.S.Anderson, 1941)

Tripsacum australe is a species of grass in the family Poaceae. It is a perennial or rhizomatous geophyte which grows primarily in the wet tropical biome and is endemic to South America. Some common Spanish names for this species, according to Universidad Nacional de Columbia, include 'arroz silvestre', 'cañarote', and 'gramalote'.[1]

Distribution

T. australe is native to Bolivia, North Brazil, Central-West Brazil, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad-Tobago, and Venezuela.[2]

Genetics

The two known varieties[3] of T. australe are diploid (2n = 36). Both varieties can cross and produce fertile hybrids with each other. These two varieties have also been crossed with Tripsacum dactyloides var. meridonale (2n = 36) these hybrids are partially sterile.[4]

The varieties are:

  • Tripsacum australe var. hirsutum
  • Tripsacum australe var. australe

References

  1. Escalante, Patricia (2014). Listado de Nombres comunes de las aves en México. doi:10.22201/ib.9786070251825e.2014. ISBN 978-607-02-5182-5. 
  2. "Tripsacum australe Cutler & E.S.Anderson". Royal Botanic Gardens, Kew. http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:258688-2. 
  3. "Explore the Taxonomic Tree | FWS.gov". https://www.fws.gov/taxonomic-tree/1045271. 
  4. Wet, J. M. J. De; Timothy, D. H.; Hilu, K. W.; Fletcher, G. B. (February 1981). "Systematics of South American Tripsacum (Gramineae)". American Journal of Botany 68 (2): 269. doi:10.2307/2442859. 

Wikidata ☰ Q15511065 entry