Coix lacryma-jobi

Family (Traditional)Poaceae
Species:Coix lacryma-jobi L.
Common NameJobs Tears
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: Asia; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; 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; AGCP (FACW), EMP (FACW) (NWPL); 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
Coix arundinacea Coix arundinacea Lam.
Coix exaltata Coix exaltata Jacq.
Coix lacryma Coix lacryma L.
Coix pendula Coix pendula Salisb.

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: Campbell (KY), Fayette (KY), Madison (KY), Knox (TN), Sevier (TN)

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

Range of years during which specimens were collected: 1977 - 2002

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100118486 Madison Kentucky 11 Aug 1979 William H. Martin
Coix lacryma-jobi
31973000021352 Campbell Kentucky 06 Aug 1977 Thieret, John
Coix lacryma-jobi
APSC0096978 Campbell Kentucky
Coix lacryma-jobi
APSC0034186 Knox Tennessee
Coix lacryma-jobi
31234100118478 Campbell Kentucky 09 Sep 2002 John W. Thieret
Coix lacryma-jobi
TENN-V-0014785 Knox Tennessee
Coix lacryma
TENN-V-0014786 Sevier Tennessee
Coix lacryma
BEREA024940 Fayette Kentucky
Coix lacryma-jobi
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