Eleocharis palustris

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusEleocharis
Species:Eleocharis palustris (L.) Roem. & Schult.
Common NameSpikerush
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: absent; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: N/A (leaves absent); Leaf Rank: N/A; Leaf Type: sheath with scale; Leaf Venation: parallel; Leaflet Margins: N/A; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Carpel Number/Pistil: 2; Carpel Number/Pistil: 9; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: spike; Ovary Position: Superior; Overall Flower Symmetry: N/A; Ovules per Carpel: 1; Perianth Present: No; Petal Fusion: N/A; Petal Number: N/A; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 3; Tepal Fusion: N/A; Tepal Number: N/A
C value 5
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[SNR] (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
Eleocharis calva var. australis Eleocharis calva var. australis (Nees) St. John
Eleocharis mamillata Eleocharis mamillata H. Lindb.
Eleocharis palustris var. australis Eleocharis palustris var. australis Nees
Eleocharis palustris var. major Eleocharis palustris var. major Sond
Eleocharis palustris var. vigens Eleocharis palustris var. vigens Bailey
Eleocharis perlonga Eleocharis perlonga Fern. & Brack.
Eleocharis smallii Eleocharis smallii Britt.
Eleocharis smallii var. major Eleocharis smallii var. major (Sonder) Seymour
Eleocharis xyridiformis Eleocharis xyridiformis Fern. & Brack.
Scirpus mamillata Scirpus mamillata

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: Ballard (KY), Barren (KY), Clinton (KY), Cumberland (KY), Edmonson (KY), Fulton (KY), Hardin (KY), Henderson (KY), Jackson (KY), Jefferson (KY), Madison (KY), Oldham (KY), Campbell (TN), Cannon (TN), Cumberland (TN), Davidson (TN), Greene (TN), Grundy (TN), Hamilton (TN), Johnson (TN), Putnam (TN), Roane (TN), Sequatchie (TN), Van Buren (TN), Warren (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, KNK, TENN, UCHT, VDB

Range of years during which specimens were collected: 1978 - 2000

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
31234100082518 Van Buren Tennessee 22 May 1987 Ronald L. Jones
4756		 EKY
Eleocharis palustris
BEREA004238 Jackson Kentucky
BEREA
Eleocharis palustris
31973000011628 Jackson Kentucky
KNK
Eleocharis palustris
TENN-V-0042380 Putnam Tennessee
TENN
Eleocharis palustris
TENN-V-0042379 Putnam Tennessee
TENN
Eleocharis palustris
TENN-V-0042372 Campbell Tennessee
TENN
Eleocharis palustris
TENN-V-0042382 Sequatchie Tennessee
TENN
Eleocharis palustris
TENN-V-0042374 Grundy Tennessee
TENN
Eleocharis palustris
UCHT003937 Hamilton Tennessee
UCHT
Eleocharis palustris
APSC0071516 Jefferson Kentucky
APSC
Eleocharis palustris
APSC0100976 Cannon Tennessee
APSC
Eleocharis palustris
UCHT037685 Fulton Kentucky
UCHT
Eleocharis palustris
TENN-V-0043002 Fulton Kentucky
TENN
Eleocharis palustris
UCHT003940 Hamilton Tennessee
UCHT
Eleocharis palustris
31234100082500 Clinton Kentucky 27 Jun 2000 Mark A. Gorton
341		 EKY
Eleocharis palustris
BEREA004230 Barren Kentucky
BEREA
Eleocharis palustris
31973000011627 Jackson Kentucky
KNK
Eleocharis palustris
TENN-V-0042376 Johnson Tennessee
TENN
Eleocharis palustris
UCHT003941 Hamilton Tennessee
UCHT
Eleocharis palustris
APSC0072392 Hardin Kentucky
APSC
Eleocharis palustris
APSC0091679 Ballard Kentucky
APSC
Eleocharis palustris
UCHT037687 Davidson Tennessee
UCHT
Eleocharis palustris
BRIT164208 Tennessee
VDB
Eleocharis palustris
BEREA004231 Cumberland Kentucky
BEREA
Eleocharis palustris
TENN-V-0241355 Johnson Tennessee
TENN
Eleocharis palustris
APSC0106355 Cannon Tennessee
APSC
Eleocharis palustris
APSC0053326 Edmonson Kentucky 21 Jul 1988 Landon McKinney
 APSC
Eleocharis palustris
BRIT164210 Tennessee
VDB
Eleocharis palustris
31234100082583 Henderson Kentucky 09 Jul 1992 Landon E. McKinney
5133		 EKY
Eleocharis palustris
TENN-V-0186670 Greene Tennessee
TENN
Eleocharis palustris
UCHT003939 Hamilton Tennessee
UCHT
Eleocharis palustris
UCHT003935 Fulton Kentucky
UCHT
Eleocharis palustris
APSC0072229 Henderson Kentucky
APSC
Eleocharis palustris
APSC0102324 Oldham Kentucky
APSC
Eleocharis palustris
BRIT164214 Tennessee
VDB
Eleocharis palustris
31234100186061 Hardin Kentucky 06 Jun 1978 Ray Cranfill
908		 EKY
Eleocharis palustris
31234100082609 Fulton Kentucky 16 Jul 1979 Raymond Athey
4377		 EKY
Eleocharis palustris
BEREA004237 Jackson Kentucky
BEREA
Eleocharis palustris
TENN-V-0042378 Johnson Tennessee
TENN
Eleocharis palustris
TENN-V-0042373 Cumberland Tennessee
TENN
Eleocharis palustris
UCHT003936 Hamilton Tennessee
UCHT
Eleocharis palustris
APSC0094005 Jefferson Kentucky
APSC
Eleocharis palustris
UCHT042224 Davidson Tennessee
UCHT
Eleocharis palustris
UCHT042225 Davidson Tennessee
UCHT
Eleocharis palustris
UCHT037686 Davidson Tennessee
UCHT
Eleocharis palustris
BRIT164216 Tennessee
VDB
Eleocharis palustris
BRIT164215 Tennessee
VDB
Eleocharis palustris
BRIT164211 Tennessee
VDB
Eleocharis palustris
TENN-V-0042377 Johnson Tennessee
TENN
Eleocharis palustris
TENN-V-0042383 Van Buren Tennessee
TENN
Eleocharis palustris
TENN-V-0042381 Roane Tennessee
TENN
Eleocharis palustris
TENN-V-0042384 Warren Tennessee
TENN
Eleocharis palustris
TENN-V-0042375 Grundy Tennessee
TENN
Eleocharis palustris
UCHT003938 Hamilton Tennessee
UCHT
Eleocharis palustris
APSC0072390 Hardin Kentucky
APSC
Eleocharis palustris
BRIT164209 Tennessee
VDB
Eleocharis palustris
31234100082575 Clinton Kentucky 12 Jun 1999 Mark A. Gorton
99-290		 EKY
Eleocharis palustris
31234100082542 Jackson Kentucky 01 Jul 1987 Joe Abner
885		 EKY
Eleocharis palustris
BEREA004239 Madison Kentucky
BEREA
Eleocharis palustris
TENN-V-0043003 Hardin Kentucky
TENN
Eleocharis palustris
TENN-V-0241354 Johnson Tennessee
TENN
Eleocharis palustris
BRIT164212 Tennessee
VDB
Eleocharis palustris
BRIT164213 Tennessee
VDB
Eleocharis palustris
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