Cyperus rotundus

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusCyperus
Species:Cyperus rotundus L.
Common NameNutgrass; Coco Grass; Purple Nutsedge
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LC; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Region of Origin: Pantropics; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Rank: 3-ranked; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Basal; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; AGCP (FAC), EMP (FAC) (NWPL); TN[SNA] KY[SNA] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Cyperus olivaris Cyperus olivaris O.Targ.Tozz.
Cyperus pseudovariegatus Cyperus pseudovariegatus

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Hickman (KY), Jefferson (KY), McCracken (KY), Wayne (KY), Bedford (TN), Carroll (TN), DeKalb (TN), Franklin (TN), Hamilton (TN), Haywood (TN), Knox (TN), McMinn (TN), Montgomery (TN), Rutherford (TN), Shelby (TN), Wilson (TN)

Herbaria represented by specimen data listed below: APSC, BOON, EKY, MEM, MTSU, SWMT, TENN, UCHT, VDB

Range of years during which specimens were collected: 1939 - 2010

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100077294 Carroll Tennessee 17 Sep 1971 Betty Toler Allman
229
EKY
Cyperus rotundus
31234100077344 Shelby Tennessee 06 Oct 1967 Elizabeth M. Browne
T-187
EKY
Cyperus rotundus
31234100077260 Hickman Kentucky 12 Sep 2010 Landon E. McKinney
11228
EKY
Cyperus rotundus
31234100077302 Knox Tennessee 27 Aug 1981 Henry R. DeSelm
245
EKY
Cyperus rotundus
31234100077336 Knox Tennessee 11 Aug 1988 Henry R. DeSelm
247
EKY
Cyperus rotundus
31234100077286 Wayne Kentucky 17 Sep 1995 Randy L. Mears
EKY
Cyperus rotundus
31234100077278 Wayne Kentucky 20 May 1966 Elizabeth M. Browne
11833
EKY
Cyperus rotundus
TENN-V-0038525 Rutherford Tennessee
TENN
Cyperus rotundus
TENN-V-0038523 Knox Tennessee
TENN
Cyperus rotundus
TENN-V-0038524 McMinn Tennessee
TENN
Cyperus rotundus
TENN-V-0038522 Haywood Tennessee
TENN
Cyperus rotundus
TENN-V-0038529 Shelby Tennessee
TENN
Cyperus rotundus
TENN-V-0038527 Shelby Tennessee
TENN
Cyperus rotundus
TENN-V-0038528 Shelby Tennessee
TENN
Cyperus rotundus
UCHT003776 Hamilton Tennessee
UCHT
Cyperus pseudovariegatus
31234100077328 Knox Tennessee 27 Aug 1981 Henry R. DeSelm
245
EKY
Cyperus rotundus
31234100077310 Knox Tennessee 02 Oct 1981 Henry R. DeSelm
246
EKY
Cyperus rotundus
TENN-V-0038518 Bedford Tennessee
TENN
Cyperus rotundus
TENN-V-0038521 Haywood Tennessee
TENN
Cyperus rotundus
TENN-V-0038520 Franklin Tennessee
TENN
Cyperus rotundus
TENN-V-0038526 Shelby Tennessee
TENN
Cyperus rotundus
TENN-V-0038530 Wilson Tennessee
TENN
Cyperus rotundus
TENN-V-0038519 Carroll Tennessee
TENN
Cyperus rotundus
APSC0039704 Montgomery Tennessee 02 Dec 1985 Edward Chester
APSC
Cyperus rotundus
MTSU003503 DeKalb Tennessee 04 Aug 1986 Landon E. McKinney
MTSU
Cyperus rotundus
UCHT038841 Shelby Tennessee
UCHT
Cyperus rotundus
BRIT163469 Tennessee
VDB
Cyperus rotundus
BRIT163470 Tennessee
VDB
Cyperus rotundus
BRIT163467 Tennessee
VDB
Cyperus rotundus
mem004416 Shelby Tennessee 06 Oct 1976 Elizabeth M. Browne, Edward T. Browne Jr.
T-187
MEM
Cyperus rotundus
006958 Carroll Tennessee
BOON
Cyperus rotundus
006959 Shelby Tennessee
BOON
Cyperus rotundus
APSC0071275 Jefferson Kentucky 15 Jun 1943 P.A. Davies
APSC
Cyperus rotundus
APSC0072282 Rutherford Tennessee
APSC
Cyperus rotundus
APSC0039705 McMinn Tennessee
APSC
Cyperus rotundus
APSC0039703 Montgomery Tennessee
APSC
Cyperus rotundus
MTSU003502 Rutherford Tennessee 16 Jun 1981 Joao M. C. Ribeiro
8
MTSU
Cyperus rotundus
MTSU003501 Rutherford Tennessee 22 Jun 1981 Jeff Peery
31
MTSU
Cyperus rotundus
BRIT163468 Tennessee
VDB
Cyperus rotundus
BRIT163466 Tennessee
VDB
Cyperus rotundus
SWMT00719 Tennessee 28 Apr 1939 A.F.W.
SWMT
Cyperus rotundus
SWMT00720 Tennessee 15 Apr 1939 A. F. W.
SWMT
Cyperus rotundus
MEM006336 McCracken Kentucky 05 Nov 1973 Raymond Athey
2643
MEM
Cyperus rotundus
BRIT210509 McCracken Kentucky
VDB
Cyperus rotundus
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