Zoysia japonica

Family (Traditional)Poaceae
Species:Zoysia japonica Steud.
Common NameZoysia; Japanese Lawngrass; Korean Lawngrass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: Asia; Reproductive Phenology: January; Reproductive Phenology: Febuary; Reproductive Phenology: March; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; 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 N/A
StatusNot Native; TN[SNA] KY[SNA] (State Rank); GNR (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
  • 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


SynonymFull Citation
Zoysia pungens var. japonica Zoysia pungens var. japonica (Steud.) Hack.

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: Jefferson (KY), Lyon (KY), Hawkins (TN), Knox (TN), Montgomery (TN), Union (TN)

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

Range of years during which specimens were collected: 1994 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0017410 Knox Tennessee
Zoysia japonica
UCHT006287 Knox Tennessee
Zoysia japonica
APSC0069094 Lyon Kentucky
Zoysia japonica
APSC0031806 Montgomery Tennessee
Zoysia japonica
N/A Hawkins Tennessee 22 Sep 2019 Frosty Levy, Elaine Walker
Zoysia japonica
ETSU026851 Hawkins Tennessee 22 Sep 2019 Frosty Levy, Elaine Walker
Zoysia japonica
TENN-V-0017411 Union Tennessee
Zoysia japonica
TENN-V-0017407 Knox Tennessee
Zoysia japonica
TENN-V-0017409 Knox Tennessee
Zoysia japonica
TENN-V-0017408 Knox Tennessee
Zoysia japonica
31973000023738 Jefferson Kentucky 01 Jun 1994 Medley, Max
Zoysia japonica
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