Cyperus haspan

Cyperus haspan is a dwarf papyrus sedge in the Cyperaceae. It is widely distributed in tropical and subtropical regions in Africa, Madagascar, southern Asia (Iran, India, China, Philippines, Indonesia, etc.), New Guinea, Australia, South America, West Indies, Central America, southern Mexico and the southeastern United States (from Texas to Virginia).[1][2][3][4][5][6][7][8][9][10][11]

Cyperus haspan
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Cyperus
Species:
C. haspan
Binomial name
Cyperus haspan

The rhizomatous perennial grass-like sedge typically grows to a height of 0.2 to 0.6 metres (0.7 to 2.0 ft) and has a tufted habit. It blooms between Summer and Spring producing brown flowers.[12]

In Western Australia it is found in wet areas in the Kimberley region where it grows in gravelly sandy-clay alluvium.[12]

There are two recognised subspecies:

  • Cyperus haspan L. subsp. haspan
  • Cyperus haspan subsp. juncoides (Lam.) Kük.[13]

References
  1. Kew World Checklist of Selected Plant Families
  2. Flora of China, Vol. 23 Page 227, 畦畔莎草 qi pan suo cao, Cyperus haspan Linnaeus, Sp. Pl. 1: 45. 1753.
  3. Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  4. Cabezas, F., Aedo, C. & Velayos, M. (2004). Checklist of the Cyperaceae of Equatorial Guinea (Annobón, Bioko, Río Muni). Belgian Journal of Botany 137: 3-26.
  5. Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  6. Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands. Contributions from the United States National Herbarium 52: 1-415.
  7. Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  8. Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau). Garcia de Orta, Série de Botânica 17: 97-141.
  9. Figueiredo, E., Paiva, J., Stévart, T., Oliveira, F. & Smith, G.F. (2011). Annotated catalogue of the flowering plants of São Tomé and Príncipe. Bothalia 41: 41-82.
  10. Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
  11. Flora of North America, Vol. 23 Page 151, Cyperus haspan Linnaeus, Sp. Pl. 1: 45. 1753.
  12. "Cyperus haspan". FloraBase. Western Australian Government Department of Parks and Wildlife.
  13. "Cyperus haspan juncoides". FloraBase. Western Australian Government Department of Parks and Wildlife.


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