Eleocharis parvula

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusEleocharis
Species:Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer
Common NameDwarf Spikerush
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LC; Duration: Annual; Duration: Perennial; 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; 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: 1; Stamen Number: 2; Stamen Number: 7; Tepal Fusion: N/A; Tepal Number: N/A
C value 6
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[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
Chaetocyperus membranacea Chaetocyperus membranacea
Eleocharis leptos Eleocharis leptos (Steud.) Svens.
Eleocharis leptos var. coloradoensis Eleocharis leptos var. coloradoensis (Britt.) Svens.
Eleocharis leptos var. johnstonii Eleocharis leptos var. johnstonii Svens.
Eleocharis membranacea Eleocharis membranacea Gilly
Eleocharis parvula f. spongiosa Eleocharis parvula f. spongiosa Fassett
Eleocharis parvula var. coloradoensis Eleocharis parvula var. coloradoensis (Britt.) Beetle
Scirpus nanus var. anachaetus Scirpus nanus var. anachaetus Britton
Scirpus parvulus Scirpus parvulus

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: Henry (TN), Roane (TN)

Herbaria represented by specimen data listed below: TENN

Range of years during which specimens were collected: -

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0042386 Roane Tennessee
TENN
Eleocharis parvula
TENN-V-0042385 Henry Tennessee
TENN
Eleocharis parvula
TENN-V-0042387 Roane Tennessee
TENN
Eleocharis parvula
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Plant Photos