Eleocharis engelmannii

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusEleocharis
Species:Eleocharis engelmannii Steud.
Common NameEngelmanns Spikerush
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LC; Duration: Annual; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; 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; Tepal Fusion: N/A; Tepal Number: N/A
C value 6
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S5] (State Rank); G4G5 (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 engelmannii var. detonsa Eleocharis engelmannii var. detonsa A.Gray in Patt.
Eleocharis engelmannii var. monticola Eleocharis engelmannii var. monticola (Fernald) Svens.
Eleocharis engelmannii var. robusta Eleocharis engelmannii var. robusta Fern.
Eleocharis monticola Eleocharis monticola Fern.
Eleocharis monticola var. pallida Eleocharis monticola var. pallida St. John
Eleocharis obtusa var. detonsa Eleocharis obtusa var. detonsa (A. Gray) Drapalik & Mohlenbrock
Eleocharis obtusa var. engelmannii Eleocharis obtusa var. engelmannii (Steud.) Gilly
Eleocharis ovata var. detonsa Eleocharis ovata var. detonsa (A. Gray) Mohlenbr.
Eleocharis ovata var. engelmannii Eleocharis ovata var. engelmannii (Steud.) Britton

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: Breckinridge (KY), Calloway (KY), Christian (KY), Edmonson (KY), Henderson (KY), Jefferson (KY), McCracken (KY), Marshall (KY), Muhlenberg (KY), Warren (KY), Bledsoe (TN), Campbell (TN), Cheatham (TN), Coffee (TN), Dyer (TN), Fentress (TN), Franklin (TN), Giles (TN), Grundy (TN), Hardin (TN), Hawkins (TN), Haywood (TN), Houston (TN), Knox (TN), Marshall (TN), Montgomery (TN), Rutherford (TN), Shelby (TN), Stewart (TN), Weakley (TN)

Herbaria represented by specimen data listed below: APSC, ETSU, KNK, MEM, TENN, UCHT, UOS, VDB

Range of years during which specimens were collected: 1969 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
TENN-V-0042090 Haywood Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042097 Stewart Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042098 Weakley Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042088 Bledsoe Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042081 Dyer Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042095 Montgomery Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042091 Knox Tennessee
TENN
Eleocharis engelmannii
TENN-V-0192562 Franklin Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042083 Coffee Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042094 Montgomery Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042084 Coffee Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042085 Coffee Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042089 Hardin Tennessee
TENN
Eleocharis engelmannii
TENN-V-0192563 Franklin Tennessee
TENN
Eleocharis engelmannii
APSC0039557 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0072228 Christian Kentucky 18 May 1993 Landon McKinney
 APSC
Eleocharis engelmannii
APSC0039575 Houston Tennessee
APSC
Eleocharis engelmannii
APSC0039561 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0072242 Muhlenberg Kentucky
APSC
Eleocharis engelmannii
APSC0039563 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0039551 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0053333 Edmonson Kentucky 25 May 1988 Landon McKinney
 APSC
Eleocharis engelmannii
APSC0039577 Montgomery Tennessee
APSC
Eleocharis engelmannii
APSC0071515 Jefferson Kentucky
APSC
Eleocharis engelmannii
APSC0039564 Cheatham Tennessee
APSC
Eleocharis engelmannii
BRIT164389 Tennessee
VDB
Eleocharis engelmannii
BRIT164605 Tennessee
VDB
Eleocharis engelmannii
N/A Hawkins Tennessee 13 Sep 2019 Frosty Levy, Elaine Walker
 ETSU
Eleocharis engelmannii
ETSU026735 Hawkins Tennessee 13 Sep 2019 Frosty Levy, Elaine Walker
19891		 ETSU
Eleocharis engelmannii
MEM007843 Shelby Tennessee 03 Jun 1972 John E. Thompson Jr.
867		 MEM
Eleocharis engelmannii
APSC0039560 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0053332 Edmonson Kentucky 12 Sep 1988 Landon McKinney
 APSC
Eleocharis engelmannii
APSC0072243 Christian Kentucky 21 May 1993 Landon McKinney
 APSC
Eleocharis engelmannii
UCHT037652 Hardin Tennessee
UCHT
Eleocharis engelmannii
UCHT037649 Franklin Tennessee
UCHT
Eleocharis engelmannii
BRIT164604 Tennessee
VDB
Eleocharis engelmannii
MEM005900 Marshall Kentucky 10 Jun 1969 Raymond Athey
680		 MEM
Eleocharis engelmannii
UOS06961 Coffee Tennessee 18 Jun 1996 Landon E. McKinney
 UOS
Eleocharis engelmannii
UOS06959 Coffee Tennessee 05 Jun 1996 Landon E. McKinney
 UOS
Eleocharis engelmannii
TENN-V-0042093 Montgomery Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042079 Franklin Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042086 Cheatham Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042080 Fentress Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042077 Giles Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042096 Rutherford Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042078 Rutherford Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042087 Campbell Tennessee
TENN
Eleocharis engelmannii
TENN-V-0042082 Grundy Tennessee
TENN
Eleocharis engelmannii
APSC0039568 Montgomery Tennessee
APSC
Eleocharis engelmannii
UCHT037651 Coffee Tennessee
UCHT
Eleocharis engelmannii
APSC0039549 Stewart Tennessee
APSC
Eleocharis engelmannii
APSC0072349 Warren Kentucky
APSC
Eleocharis engelmannii
APSC0072241 Christian Kentucky 18 May 1993 Landon McKinney
 APSC
Eleocharis engelmannii
APSC0072240 Breckinridge Kentucky 17 Jul 1971
APSC
Eleocharis engelmannii
BRIT164602 Tennessee
VDB
Eleocharis engelmannii
BRIT164603 Tennessee
VDB
Eleocharis engelmannii
BRIT164390 Tennessee
VDB
Eleocharis engelmannii
BRIT164388 Tennessee
VDB
Eleocharis engelmannii
BRIT164601 Tennessee
VDB
Eleocharis engelmannii
BRIT164600 Tennessee
VDB
Eleocharis engelmannii
31973000011554 Coffee Tennessee
KNK
Eleocharis engelmannii
31973000011555 Coffee Tennessee
KNK
Eleocharis engelmannii
TENN-V-0042092 Marshall Tennessee
TENN
Eleocharis engelmannii
UCHT037647 Franklin Tennessee
UCHT
Eleocharis engelmannii
APSC0039569 Montgomery Tennessee
APSC
Eleocharis engelmannii
APSC0050615 Franklin Tennessee
APSC
Eleocharis engelmannii
APSC0039558 Stewart Tennessee
APSC
Eleocharis engelmannii
UCHT037650 Franklin Tennessee
UCHT
Eleocharis engelmannii
BRIT164606 Tennessee
VDB
Eleocharis engelmannii
MEM006221 Calloway Kentucky 02 Jun 1973 Raymond Athey
2344		 MEM
Eleocharis engelmannii
MEM008444 McCracken Kentucky 27 Jun 1970 Raymond Athey
1067		 MEM
Eleocharis engelmannii
APSC0039570 Christian Kentucky 26 Jul 1984 Edward Chester
 APSC
Eleocharis engelmannii
APSC0039565 Montgomery Tennessee
APSC
Eleocharis engelmannii
APSC0072245 Henderson Kentucky
APSC
Eleocharis engelmannii
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