Sphenopholis obtusata

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusSphenopholis
Species:Sphenopholis obtusata (Michx.) Scribn.
Common NamePrairie Wedgescale
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Natural Area Presence: DRU; Natural Area Presence: GRSM; Natural Area Presence: LGS; Duration: Annual; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; 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; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value 6
StatusNative; AGCP (FAC), EMP (FAC) (NWPL); TN[SNR] KY[S5?] (State Rank); G5 (Global Rank)
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
Agrostis obtusata Agrostis obtusata Steud.
Aira mexicana Aira mexicana Trin. ex E. Fourn.
Aira obtusa Aira obtusa Raf.
Aira obtusata Aira obtusata Michx.
Aira truncata Aira truncata Muhl.
Airopsis obtusata Airopsis obtusata (Michx.) Desv.
Eatonia annua Eatonia annua
Eatonia densiflora Eatonia densiflora E. Fourn.
Eatonia obtusata var. purpurascens Eatonia obtusata var. purpurascens
Eatonia obtusata var. robusta Eatonia obtusata var. robusta
Eatonia pubescens Eatonia pubescens Scribn. & Merr.
Eatonia robusta Eatonia robusta (Vasey ex L.H. Dewey) Rydb.
Festuca obtusata Festuca obtusata Michx. ex P. Beauv.
Graphephorum densiflorum Graphephorum densiflorum E. Fourn.
Koeleria lobata Koeleria lobata Trin. ex Steud.
Koeleria obtusata Koeleria obtusata Trin. ex Steud.
Koeleria paniculata Koeleria paniculata Nutt.
Koeleria truncata Koeleria truncata (Muhl.) Torr.
Poa obtusata Poa obtusata (Michx.) Link
Sphenopholis annua Sphenopholis annua (Suksd.) A. Heller
Sphenopholis obtusata f. obtusata Sphenopholis obtusata f. obtusata (Michx.) Scribn.
Sphenopholis obtusata f. purpurascens Sphenopholis obtusata f. purpurascens (Vasey ex Rydb. & Shear) Waterf.
Sphenopholis obtusata subsp. lobata Sphenopholis obtusata subsp. lobata (Trin.) Scribn.
Sphenopholis obtusata subsp. pubescens Sphenopholis obtusata subsp. pubescens (Scribn. & Merr.) Scribn.
Sphenopholis obtusata var. lobata Sphenopholis obtusata var. lobata (Trin.) Scribn.
Sphenopholis obtusata var. obtusata Sphenopholis obtusata var. obtusata
Sphenopholis obtusata var. pubescens Sphenopholis obtusata var. pubescens (Scribn. & Merr.) Scribn.
Sphenopholis pubescens Sphenopholis pubescens (Scribn. & Merr.) A. Heller
Sphenopholis robusta Sphenopholis robusta (Vasey ex L.H. Dewey) A. Heller
Trisetum lobatum Trisetum lobatum Trin.

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: Barren (KY), Boyd (KY), Caldwell (KY), Calloway (KY), Campbell (KY), Christian (KY), Franklin (KY), Fulton (KY), Garrard (KY), Graves (KY), Hardin (KY), Larue (KY), Lewis (KY), Logan (KY), McCracken (KY), Magoffin (KY), Marshall (KY), Nelson (KY), Rowan (KY), Trigg (KY), Warren (KY), Anderson (TN), Bedford (TN), Benton (TN), Bledsoe (TN), Blount (TN), Bradley (TN), Carroll (TN), Carter (TN), Cheatham (TN), Clay (TN), Coffee (TN), Cumberland (TN), Decatur (TN), DeKalb (TN), Dickson (TN), Fayette (TN), Franklin (TN), Gibson (TN), Hamilton (TN), Hancock (TN), Hardin (TN), Henry (TN), Hickman (TN), Humphreys (TN), Johnson (TN), Knox (TN), Lauderdale (TN), Lewis (TN), McMinn (TN), McNairy (TN), Madison (TN), Marion (TN), Marshall (TN), Monroe (TN), Montgomery (TN), Obion (TN), Polk (TN), Rhea (TN), Roane (TN), Robertson (TN), Rutherford (TN), Sequatchie (TN), Shelby (TN), Stewart (TN), Sullivan (TN), Sumner (TN), Tipton (TN), Unicoi (TN), Washington (TN), Wilson (TN)

Herbaria represented by specimen data listed below: MDKY, APSC, EKY, ETSU, BEREA, TENN, MEM, KNK, UCHT

Range of years during which specimens were collected: 1962 - 2018

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100157666 Marshall Kentucky 29 May 1978 Raymond Athey
EKY
Sphenopholis obtusata
31234100157641 Hardin Kentucky 17 Jun 1981 Richard H. Hannan
7116
EKY
Sphenopholis obtusata
31234100157682 Trigg Kentucky 28 May 1966 William H. Ellis
1314
EKY
Sphenopholis obtusata
31973000023632 Boyd Kentucky 06 Jun 1979 Thieret, John
50988
KNK
Sphenopholis obtusata
TENN-V-0029649 Cumberland Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029478 Madison Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029487 Roane Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029640 Anderson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029477 Lewis Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029476 Lauderdale Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029644 Blount Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029489 Robertson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029466 Hancock Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029650 Decatur Tennessee
TENN
Sphenopholis obtusata
31234100157757 Coffee Tennessee 18 May 1992 Henry R. DeSelm
EKY
Sphenopholis obtusata
31234100157765 Roane Tennessee 24 May 1989 Henry R. DeSelm
501
EKY
Sphenopholis obtusata
31973000023628 Campbell Kentucky 30 May 1981 Thieret, John
52586
KNK
Sphenopholis obtusata
MDKY00005288 Magoffin Kentucky
MDKY
Sphenopholis obtusata
MDKY00005290 Rowan Kentucky
MDKY
Sphenopholis obtusata
TENN-V-0029483 Montgomery Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029473 Knox Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029494 Shelby Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029493 Shelby Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029462 Franklin Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029498 Shelby Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029479 McMinn Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029471 Hickman Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029646 Cheatham Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029643 Bledsoe Tennessee
TENN
Sphenopholis obtusata
N/A Carter Tennessee 21 May 2018 Frosty Levy
ETSU
Sphenopholis obtusata
TENN-V-0029474 Knox Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029464 Gibson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029484 Obion Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029499 Sumner Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029458 Decatur Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029457 Dickson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029648 Coffee Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029461 Fayette Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029641 Benton Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029491 Rutherford Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029492 Rutherford Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029452 Carroll Tennessee
TENN
Sphenopholis obtusata
UCHT002632 Marion Tennessee 29 May 2009 E. Blyveis
274
UCHT
Sphenopholis obtusata
APSC0042021 Henry Tennessee
APSC
Sphenopholis obtusata
31234100115565 Franklin Kentucky 25 Jun 1995 D. L. White
EKY
Sphenopholis obtusata
31973000023626 Lewis Kentucky 16 Jun 1996 Gelis, Rudy
M2-1237
KNK
Sphenopholis obtusata
TENN-V-0029642 Benton Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029448 Anderson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029781 Trigg Kentucky
TENN
Sphenopholis obtusata
TENN-V-0029472 Knox Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029485 Rhea Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029497 Shelby Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029501 Tipton Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029453 Coffee Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029475 Knox Tennessee
TENN
Sphenopholis obtusata
APSC0042076 Stewart Tennessee
APSC
Sphenopholis obtusata
APSC0063886 Marshall Kentucky
APSC
Sphenopholis obtusata
APSC0063890 Trigg Kentucky
APSC
Sphenopholis obtusata
31234100157658 Logan Kentucky 10 Jun 1980 Richard H. Hannan
3995
EKY
Sphenopholis obtusata
BEREA022801 Garrard Kentucky
BEREA
Sphenopholis obtusata
TENN-V-0029454 Cumberland Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029450 Bledsoe Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029488 Robertson Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029496 Sequatchie Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029467 Hardin Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029495 Sequatchie Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029455 Cumberland Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029449 Bedford Tennessee
TENN
Sphenopholis obtusata
UCHT002631 Polk Tennessee
UCHT
Sphenopholis obtusata
UCHT002636 Marion Tennessee 26 May 1983 Edwin Bridges
312
UCHT
Sphenopholis obtusata
APSC0052823 Larue Kentucky 23 May 1993 Landon McKinney
APSC
Sphenopholis obtusata
APSC0042032 Dickson Tennessee
APSC
Sphenopholis obtusata
APSC0100041 Coffee Tennessee
APSC
Sphenopholis obtusata
N/A Unicoi Tennessee 09 Jun 2011 Frosty Levy
ETSU
Sphenopholis obtusata
N/A Unicoi Tennessee 08 Jun 2014 Frosty Levy
ETSU
Sphenopholis obtusata
N/A Unicoi Tennessee 07 Jun 2014 Frosty Levy
ETSU
Sphenopholis obtusata
TENN-V-0029480 McMinn Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029486 Rhea Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029469 Henry Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029456 Cumberland Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029460 Fayette Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029451 Blount Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029482 Monroe Tennessee
TENN
Sphenopholis obtusata
APSC0042037 Trigg Kentucky
APSC
Sphenopholis obtusata
APSC0042041 Trigg Kentucky
APSC
Sphenopholis obtusata
APSC0063879 Nelson Kentucky
APSC
Sphenopholis obtusata
APSC0042022 Stewart Tennessee
APSC
Sphenopholis obtusata
APSC0045539 Coffee Tennessee
APSC
Sphenopholis obtusata
31234100157674 McCracken Kentucky 19 Jun 1974 William H. Martin
EKY
Sphenopholis obtusata
TENN-V-0029470 Hickman Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029463 Franklin Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029481 McNairy Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029490 Rutherford Tennessee
TENN
Sphenopholis obtusata
APSC0042019 Montgomery Tennessee
APSC
Sphenopholis obtusata
APSC0055093 Marshall Kentucky
APSC
Sphenopholis obtusata
APSC0042038 Trigg Kentucky
APSC
Sphenopholis obtusata
APSC0042035 Montgomery Tennessee
APSC
Sphenopholis obtusata
APSC0042034 Montgomery Tennessee
APSC
Sphenopholis obtusata
APSC0040085 Marion Tennessee
APSC
Sphenopholis obtusata
ETSU004119 Unicoi Tennessee 24 Apr 2015 Frosty Levy
ETSU
Sphenopholis obtusata
TENN-V-0029647 Clay Tennessee
TENN
Sphenopholis obtusata
APSC0041057 Montgomery Tennessee
APSC
Sphenopholis obtusata
APSC0063888 Graves Kentucky
APSC
Sphenopholis obtusata
APSC0042024 Christian Kentucky 15 May 1993 Sallie Noel
APSC
Sphenopholis obtusata
UCHT038274 Coffee Tennessee
UCHT
Sphenopholis obtusata
ETSU004126 Unicoi Tennessee
15187
ETSU
Sphenopholis obtusata
ETSU004116 Unicoi Tennessee
15186
ETSU
Sphenopholis obtusata
MEM012107 Logan Kentucky 27 May 1976 Raymond Athey
3383
MEM
Sphenopholis obtusata
MEM009023 Fulton Kentucky 31 May 1974 Raymond Athey
2754
MEM
Sphenopholis obtusata
MEM017340 Lauderdale Tennessee 08 May 1972 Patrick Keiran
322
MEM
Sphenopholis obtusata
TENN-V-0029500 Sumner Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029645 Bradley Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029465 Hancock Tennessee
TENN
Sphenopholis obtusata
TENN-V-0029459 Decatur Tennessee
TENN
Sphenopholis obtusata
TENN-V-0075286 Wilson Tennessee
TENN
Sphenopholis obtusata
UCHT002637 Franklin Tennessee
UCHT
Sphenopholis obtusata
UCHT002639 Hamilton Tennessee
UCHT
Sphenopholis obtusata
APSC0063877 Warren Kentucky
APSC
Sphenopholis obtusata
APSC0063891 Calloway Kentucky 23 May 1970
APSC
Sphenopholis obtusata
APSC0102396 Wilson Tennessee
APSC
Sphenopholis obtusata
APSC0042023 Humphreys Tennessee
APSC
Sphenopholis obtusata
APSC0042031 Stewart Tennessee
APSC
Sphenopholis obtusata
ETSU004125 Johnson Tennessee 09 Jun 2014 Frosty Levy
ETSU
Sphenopholis obtusata
ETSU004117 Unicoi Tennessee 28 Jun 2014 Frosty Levy
ETSU
Sphenopholis obtusata
APSC0042020 Obion Tennessee
APSC
Sphenopholis obtusata
APSC0042018 Montgomery Tennessee
APSC
Sphenopholis obtusata
APSC0042460 Caldwell Kentucky 03 Jun 2014 Mason Brock
APSC
Sphenopholis obtusata
APSC0063889 Barren Kentucky
APSC
Sphenopholis obtusata
APSC0042039 Stewart Tennessee
APSC
Sphenopholis obtusata
ETSU004120 Carter Tennessee 15 May 2015 Frosty Levy
ETSU
Sphenopholis obtusata
ETSU004118 Unicoi Tennessee 26 May 2015 Frosty Levy
ETSU
Sphenopholis obtusata
MEM014204 Trigg Kentucky 23 May 1978 Raymond Athey
4041
MEM
Sphenopholis obtusata
MEM012691 Caldwell Kentucky 30 May 1977 Raymond Athey
3739
MEM
Sphenopholis obtusata
MEM007485 Graves Kentucky 22 May 1972 Raymond Athey
1718
MEM
Sphenopholis obtusata
TENN-V-0029468 Henry Tennessee
TENN
Sphenopholis obtusata
APSC0103059 DeKalb Tennessee
APSC
Sphenopholis obtusata
APSC0042030 Marshall Tennessee
APSC
Sphenopholis obtusata
ETSU004124 Johnson Tennessee 09 Jun 2014 Frosty Levy
ETSU
Sphenopholis obtusata
ETSU032011 Washington Tennessee James T Donaldson
ETSU
Sphenopholis obtusata
ETSU004127 Sullivan Tennessee
ETSU
Sphenopholis obtusata
MEM006395 Marshall Kentucky 20 May 1972 Raymond Athey
1707
MEM
Sphenopholis obtusata
MEM006857 McCracken Kentucky 16 Jun 1973 Raymond Athey
2354
MEM
Sphenopholis obtusata
MEM000259 Shelby Tennessee 26 May 1962 Jack L. Tayloe
269
MEM
Sphenopholis obtusata
APSC0055506 Cumberland Tennessee
APSC
Sphenopholis obtusata
MEM012967 Tipton Tennessee 14 Jun 1969 Sarah J. Warrington
457
MEM
Sphenopholis obtusata
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Plant Photos

Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes
Sphenopholis obtusata - Dwayne Estes