Avenella flexuosa

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusAvenella
Species:Avenella flexuosa (L.) Drejer
Common NameOats
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: April; Reproductive Phenology: May; 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 4
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
Aira flexuosa var. montana Aira flexuosa var. montana Brongn.
Aira montana Aira montana L.
Aira versicolor Aira versicolor Roem. & Schult.
Aira vestita Aira vestita Steud.
Arundo flexuosa Arundo flexuosa (L.) Clairv.
Avena flexuosa Avena flexuosa (L.) Mert. & Koch
Deschampsia fuegina Deschampsia fuegina Phil.
Deschampsia macloviana Deschampsia macloviana Gand.
Deschampsia martinii Deschampsia martinii Phil.
Deschampsia philippii Deschampsia philippii Macloskie
Deschampsia tenella Deschampsia tenella Phil.
Deschampsia vestita Deschampsia vestita (Steud.) Hauman

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: Harlan (KY), McCreary (KY), Carter (TN), Cumberland (TN), Fentress (TN), Morgan (TN), Scott (TN), Van Buren (TN)

Herbaria represented by specimen data listed below: APSC, ETSU

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
APSC0101556 Morgan Tennessee
APSC
Avenella flexuosa
APSC0065137 Scott Tennessee
APSC
Avenella flexuosa
APSC0065258 Morgan Tennessee
APSC
Avenella flexuosa
APSC0055685 Cumberland Tennessee
APSC
Avenella flexuosa
ETSU033651 Carter Tennessee
ETSU
Avenella flexuosa
APSC0085969 Morgan Tennessee
APSC
Avenella flexuosa
APSC0096391 Harlan Kentucky
APSC
Avenella flexuosa
APSC0096390 Harlan Kentucky
APSC
Avenella flexuosa
APSC0034044 Van Buren Tennessee
APSC
Avenella flexuosa
APSC0072017 McCreary Kentucky
APSC
Avenella flexuosa
APSC0055503 Cumberland Tennessee
APSC
Avenella flexuosa
APSC0034039 Fentress Tennessee
APSC
Avenella flexuosa
ETSU033654 Carter Tennessee
ETSU
Avenella flexuosa
APSC0078742 Morgan Tennessee
APSC
Avenella flexuosa
ETSU033659 Carter Tennessee
ETSU
Avenella flexuosa
ETSU033653 Carter Tennessee
ETSU
Avenella flexuosa
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Plant Photos

Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Dwayne Estes
Avenella flexuosa - Milo Pyne
Avenella flexuosa - Milo Pyne
Avenella flexuosa - Milo Pyne
Avenella flexuosa - Milo Pyne
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell
Avenella flexuosa - Theo Witsell