Patis racemosa

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusPatis
Species:Patis racemosa (Sm.) Romasch., P. M. Peterson & Soreng
Common NameBlackseed Ricegrass
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: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; 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 8
StatusNative
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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
Piptatherum racemosum Piptatherum racemosum (Sm.) Barkworth

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: Estill (KY), Trimble (KY), Campbell (TN)

Herbaria represented by specimen data listed below: APSC, TENN

Range of years during which specimens were collected: 1988 - 1988

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0026663 Campbell Tennessee
TENN
Patis racemosa
APSC0070447 Estill Kentucky 14 Jul 1988 Max Medley
APSC
Patis racemosa
APSC0086581 Trimble Kentucky
APSC
Patis racemosa
APSC0043007 Campbell Tennessee
APSC
Patis racemosa
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Plant Photos

Patis racemosa - Tara Littlefield
Patis racemosa - Tara Littlefield