Schoenoplectus pungens

Short description: Species of grass-like plant

Schoenoplectus pungens

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Monocots
Clade:  | Commelinids
Order:  | Poales
Family:  | Cyperaceae
Genus:  | Schoenoplectus
Species:  |

S. pungens

Binomial name
Schoenoplectus pungens

(Vahl) Palla

Synonyms[1]

* Scirpus pungens Vahl
* Heleogiton pungens (Vahl) Rchb. in J.C.Mössler & H.G.L.Reichenbach
* Scirpus americanus var. pungens (Vahl) Barros & Osten

Schoenoplectus pungens is a species of flowering plant in the sedge family known as common threesquare,[2] common three-square bulrush[3] and sharp club-rush.[4] It is a herbaceous emergent plant that is widespread across much of North and South America as well as Europe, New Zealand and Australia .[1][5][6][7][8][9][10][11]

## Contents

* 1 Habitat
* 2 Description
* 3 References
* 4 External links

## Habitat

Threesquare is found in open, sun-lit marshes and along the shores of lakes and ponds, in water up to 1 m (3 ft 3 in) deep. It is resistant to fire.[12][13][14][15]

## Description

Schoenoplectus pungens is a long-lived perennial herb up to 1.5 m (4 ft 11 in) tall.[13] The foliage is dark green, rough and dense. The small flowers are grouped in dense spikelets, with of 1–7 spikelets on each stem.[13] The seeds are brown.[13]

It is closely related to S. americanus, and many S. pungens specimens have long been misidentified as S. americanus.[3]

* Painting by Jacob Sturm in Deutschlands Flora in Abbildungen

* At the Botanical Garden of Goethe University Frankfurt

## References

1. ↑ 1.0 1.1 Kew World Checklist of Selected Plant Families
2. ↑ "Schoenoplectus pungens". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=SCPU10. Retrieved 1 February 2016.
3. ↑ 3.0 3.1 Flora of North America
4. ↑ (xls) BSBI List 2007, Botanical Society of Britain and Ireland, https://bsbi.org/download/3542/, retrieved 2014-10-17
5. ↑ "Family Cyperaceae Schoenoplectus pungens (Vahl) Palla". Wisplants. http://wisplants.uwsp.edu/scripts/detail.asp?SpCode=SCHPUN. Retrieved 4 February 2013.
6. ↑ Jermy, C., Simpson, D., Foley, M. & Porter, M. (2007). Sedges of the British Isles. B.S.B.I. Handbook No. 1 , ed. 3: 1-554. Botanical Society of the British Isles, London.
7. ↑ Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
8. ↑ Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
9. ↑ Rothrock, P.E. (2009). Sedges of Indiana and adjacent states: the non-Carex species: 1-271. Indiana Academy of Sciences.
10. ↑ Danylyk, I.M. & Honcharenko, V.I. (2009). Schoenoplectus pungens (Vahl) Palla (Cyperaceae), a new species for of the Ukrainian flora. Ukrayins'k Botanichnyi Zhurnal 66: 650-655.
11. ↑ Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
12. ↑ "Schoenoplectus pungens (Vahl) Palla". CalFlora. http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=10359. Retrieved 4 February 2013.
13. ↑ 13.0 13.1 13.2 13.3 "Conservation Plant Characteristics". USDA.gov. http://plants.usda.gov/java/charProfile?symbol=SCPUP5. Retrieved 4 February 2013.
14. ↑ "Schoenoplectus pungens v. pungens (Scirpus pungens, Scirpus americanus)". Native Plant Center. http://www.nativeplantcenter.net/?q=plants/791. Retrieved 4 January 2013.
15. ↑ "Scirpus pungens Vahl three square". CalFlora. http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Scirpus+pungens. Retrieved 4 February 2013.

## External links

* Jepson Manual Treatment
* Washington Burke Museum
* Photo gallery

Wikidata ☰ Q3475920 entry

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