Echinochloa walteri

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusEchinochloa
Species:Echinochloa walteri (Pursh) A. Heller
Common NameCoast Cockspur Grass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: DRU; 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; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; 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: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value 6
StatusNative; AGCP (OBL), EMP (FACW) (NWPL); TN[S1] KY[S2S3] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.
Featured Plant Photo

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
Echinochloa crus-galli var. hispida Echinochloa crus-galli var. hispida Farw.
Echinochloa longearistata Echinochloa longearistata
Echinochloa walteri f. breviseta Echinochloa walteri f. breviseta Fernald & Griscom
Echinochloa walteri f. laevigata Echinochloa walteri f. laevigata Wiegand
Echinochloa walteri f. walteri Echinochloa walteri f. walteri (Pursh) A. Heller
Oplismenus crus-galli var. hispidus Oplismenus crus-galli var. hispidus Alph. Wood
Oplismenus hispidus Oplismenus hispidus Alph. Wood
Oplismenus longisetus Oplismenus longisetus Kunth
Orthopogon hispidus Orthopogon hispidus Spreng.
Panicum crus-galli var. hispidum Panicum crus-galli var. hispidum (Muhl.) Döll
Panicum crus-galli var. walteri Panicum crus-galli var. walteri (Pursh) Farw.

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: Humphreys (TN)

Herbaria represented by specimen data listed below: APSC, EKY, SWMT

Range of years during which specimens were collected: 1983 - 2002

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
APSC0033197 Humphreys Tennessee
APSC
Echinochloa walteri
APSC0033198 Humphreys Tennessee
APSC
Echinochloa walteri
APSC0033196 Humphreys Tennessee
APSC
Echinochloa walteri
SWMT00795 Tennessee SC/M.DeM
 SWMT
Echinochloa walteri
31234100126836 Tennessee 15 Jul 1983 Henry R. DeSelm
90		 EKY
Echinochloa walteri
APSC0033195 Humphreys Tennessee
APSC
Echinochloa walteri
APSC0033194 Humphreys Tennessee
APSC
Echinochloa walteri
N/A Humphreys Tennessee 14 Sep 2002 Stephanie M. Gunn with Edward W. Chester
675		 APSC
Echinochloa walteri
N/A Humphreys Tennessee 23 Sep 2002 Stephanie M. Gunn with Edward W. Chester
701		 APSC
Echinochloa walteri
N/A Humphreys Tennessee 12 Oct 2001 Stephanie M. Gunn with Edward W. Chester
305		 APSC
Echinochloa walteri
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Plant Photos

Echinochloa walteri - Dwayne Estes
Echinochloa walteri - Dwayne Estes
Echinochloa walteri - Dwayne Estes
Echinochloa walteri - Dwayne Estes
Echinochloa walteri - Dwayne Estes
Echinochloa walteri - Dwayne Estes