Taxon:  Thuarea involuta (G. Forst.) R. Br. ex Sm.



Summary
Genus:
Thuarea
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Paniceae
Subtribe:
Melinidinae
Nomen number:
105139
Place of publication:
A. Rees, Cycl. 35: Thuarea.  1817
Comment:
combination never actually made by R. Brown
Verified:
04/29/2012 ARS Systematic Botanists.
Accessions:
2 (0  active, 0  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Basionym
Ischaemum involutum G. Forst.

Heterotypic Synonym(s)
Thuarea sarmentosa Pers.

No images


Conservation Status

Reference(s)
  1. Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan.
  2. Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
  3. CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: four books on weeds worldwide in scope
  4. Holm, L. et al. 1979. A geographical atlas of world weeds Note: in Thailand
  5. Holttum, R. E. et al. 1953-1971. A revised flora of Malaya.
  6. Koyama, T. 1987. Grasses of Japan and its neighboring regions
  7. Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
  8. Lazarides, M. 1980. The tropical grasses of Southeast Asia
  9. Li, H. L. et al., eds. 1975-1979. Flora of Taiwan.
  10. Office de la Recherche Scientifique et Technique Outre-mer. 1969. Graminees des paturages et des cultures a Madagascar.
  11. Releford, J. S. et al. 2009. Flora of Rongelap and Ailinginae Atolls, Republic of the Marshalls Islands. Atoll Res. Bull. 572:1-13.
  12. Salariato, D. L. et al. 2010. Molecular phylogeny of the subtribe Melinidinae (Poaceae: Panicoideae: Paniceae) and evolutionary trends in the homogenization of inflorescences. Molec. Phylogenet. Evol. 56:355-369. Note: as a basal taxon
  13. Tothill, J. C. & J. B. Hacker. 1982. The grasses of Southern Queensland, rev. ed.
  14. Veldkamp, J. 1996. pers. comm. Note: re. common names
  15. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Common names
LanguageNameAlternate namenoteseqCitation
Englishtropical beach grass  1Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeAfricaWestern Indian OceanMadagascar e.Office de la Recherche Scientifique et Technique Outre-mer. 1969. Graminees des paturages et des cultures a Madagascar.
1NativeAsia-TemperateChinaChinaGuangdong Sheng Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1NativeAsia-TemperateChinaChinaHainan Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TemperateChinaHong Kong   
1NativeAsia-TemperateEastern AsiaJapanRyukyu Islands Koyama, T. 1987. Grasses of Japan and its neighboring regions
1NativeAsia-TemperateEastern AsiaTaiwan  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TropicalIndian SubcontinentIndia coasts 
1NativeAsia-TropicalIndian SubcontinentSri Lanka  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TropicalIndo-ChinaCambodia   
1NativeAsia-TropicalIndo-ChinaLaos   
1NativeAsia-TropicalIndo-ChinaMyanmar   
1NativeAsia-TropicalIndo-ChinaThailand  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TropicalIndo-ChinaVietnam  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TropicalMalesiaIndonesia  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1NativeAsia-TropicalMalesiaMalaysia   
1NativeAsia-TropicalMalesiaPhilippines  Salariato, D. L. et al. 2010. Molecular phylogeny of the subtribe Melinidinae (Poaceae: Panicoideae: Paniceae) and evolutionary trends in the homogenization of inflorescences. Molec. Phylogenet. Evol. 56:355-369. Note: as a basal taxon
1NativeAustralasiaAustraliaAustraliaNorthern Territoryn. 
1NativeAustralasiaAustraliaAustraliaQueensland  
4NaturalizedPacificNorthwestern PacificMarshall Islands  Releford, J. S. et al. 2009. Flora of Rongelap and Ailinginae Atolls, Republic of the Marshalls Islands. Atoll Res. Bull. 572:1-13.
Native
Africa
  • WESTERN INDIAN OCEAN: Madagascar (e.)
Asia-Temperate
  • CHINA: China [Guangdong Sheng, Hainan Sheng], Hong Kong
  • EASTERN ASIA: Japan [Ryukyu Islands], Taiwan
Asia-Tropical
  • INDIAN SUBCONTINENT: India (coasts), Sri Lanka
  • INDO-CHINA: Cambodia, Laos, Myanmar, Thailand, Vietnam
  • MALESIA: Indonesia, Malaysia, Philippines
Australasia
  • AUSTRALIA: Australia [Queensland, Northern Territory (n.)]
Naturalized
Pacific
  • NORTHWESTERN PACIFIC: Marshall Islands

Reference(s)
  1. Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
  2. Koyama, T. 1987. Grasses of Japan and its neighboring regions
  3. Office de la Recherche Scientifique et Technique Outre-mer. 1969. Graminees des paturages et des cultures a Madagascar.
  4. Releford, J. S. et al. 2009. Flora of Rongelap and Ailinginae Atolls, Republic of the Marshalls Islands. Atoll Res. Bull. 572:1-13.
  5. Salariato, D. L. et al. 2010. Molecular phylogeny of the subtribe Melinidinae (Poaceae: Panicoideae: Paniceae) and evolutionary trends in the homogenization of inflorescences. Molec. Phylogenet. Evol. 56:355-369. Note: as a basal taxon
  6. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Economic Uses
UsageTypeNoteReference
Environmentalerosion control Veldkamp, J. 1996. pers. comm. Note: re. common names
Weed  Holm, L. et al. 1979. A geographical atlas of world weeds Note: in Thailand
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=105139. Accessed 10 May 2026.