Amphiachyris dracunculoides

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusAmphiachyris
Species:Amphiachyris dracunculoides (DC.) Nutt.
Common NamePrairie Broomweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GILES; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Type: grass-like; Leaf Type: linear; Leaf Venation: one-veined; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Inflorescence Types: head; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value 3
StatusNative; TN[SNR] KY[SNR] (State Rank); G4G5 (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
Brachyris dracunculoides Brachyris dracunculoides DC.
Gutierrezia dracunculoides Gutierrezia dracunculoides (DC.) S.F.Blake
Xanthocephalum dracunculoides Xanthocephalum dracunculoides (DC.) Shinners

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: Franklin (KY), Garrard (KY), Madison (KY), Mercer (KY), Nelson (KY), Warren (KY), Washington (KY), Cannon (TN), Davidson (TN), Dickson (TN), Giles (TN), Hamilton (TN), Madison (TN), Marshall (TN), Maury (TN), Montgomery (TN), Rutherford (TN), Smith (TN), Stewart (TN), Sumner (TN), Williamson (TN), Wilson (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, HTTU, MTSU, TENN, UCHT

Range of years during which specimens were collected: 1950 - 2011

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100227642 Madison Kentucky 24 Sep 1994 Gary W. Libby
418
EKY
Gutierrezia dracunculoides
31234100227709 Wilson Tennessee 12 Aug 1979 B. Eugene Wofford
79-245
EKY
Amphiachyris dracunculoides
31234100725470 Garrard Kentucky 30 Aug 2011 W.W. Overbeck
1441
EKY
Amphiachyris dracunculoides
31234100227667 Washington Kentucky 29 Sep 1980 Richard H. Hannan
5681
EKY
Amphiachyris dracunculoides
BEREA007537 Madison Kentucky
BEREA
Amphiachyris dracunculoides
BEREA007536 Madison Kentucky
BEREA
Amphiachyris dracunculoides
BEREA007535 Madison Kentucky
BEREA
Amphiachyris dracunculoides
BEREA022808 Garrard Kentucky
BEREA
Amphiachyris dracunculoides
TENN-V-0215370 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215372 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215362 Dickson Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215377 Wilson Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215371 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215367 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
31234100227717 Wilson Tennessee 26 Sep 1987 Henry R. DeSelm
EKY
Amphiachyris dracunculoides
31234100227683 Rutherford Tennessee 21 Aug 1980 Richard H. Hannan
5156
EKY
Amphiachyris dracunculoides
31234100227691 Wilson Tennessee 12 Sep 1994 Henry R. DeSelm
EKY
Amphiachyris dracunculoides
31234100227659 Washington Kentucky 29 Sep 1980 Richard H. Hannan
5681
EKY
Amphiachyris dracunculoides
TENN-V-0215374 Wilson Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215369 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215363 Giles Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215364 Marshall Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215365 Maury Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215368 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215383 Madison Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215376 Wilson Tennessee
TENN
Gutierrezia dracunculoides
APSC0090940 Franklin Kentucky
APSC
Amphiachyris dracunculoides
APSC0028240 Davidson Tennessee
APSC
Amphiachyris dracunculoides
TENN-V-0215366 Maury Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215373 Rutherford Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215375 Wilson Tennessee
TENN
Gutierrezia dracunculoides
TENN-V-0215379 Nelson Kentucky
TENN
Gutierrezia dracunculoides
APSC0032762 Williamson Tennessee
APSC
Amphiachyris dracunculoides
APSC0050806 Smith Tennessee
APSC
Amphiachyris dracunculoides
APSC0069403 Mercer Kentucky
APSC
Amphiachyris dracunculoides
APSC0028241 Rutherford Tennessee
APSC
Amphiachyris dracunculoides
APSC0115611 Maury Tennessee
APSC
Amphiachyris dracunculoides
APSC0028245 Montgomery Tennessee 27 Aug 1984 Edward Chester
APSC
Amphiachyris dracunculoides
APSC0028239 Sumner Tennessee
APSC
Amphiachyris dracunculoides
APSC0028243 Rutherford Tennessee
APSC
Amphiachyris dracunculoides
HTTU003304 Hamilton Tennessee
HTTU
Gutierrezia dracunculoides
MTSU021253 Rutherford Tennessee 12 Aug 1994 Terri Hogan
MTSU
Amphiachyris dracunculoides
UCHT038336 Maury Tennessee
UCHT
Amphiachyris dracunculoides
BEREA025744 Madison Kentucky
BEREA
Amphiachyris dracunculoides
BEREA025745 Madison Kentucky
BEREA
Amphiachyris dracunculoides
APSC0028238 Rutherford Tennessee
APSC
Amphiachyris dracunculoides
APSC0116109 Warren Kentucky 27 Sep 1984 Max Medley
APSC
Amphiachyris dracunculoides
APSC0028244 Stewart Tennessee 27 Aug 1984 Edward Chester
APSC
Amphiachyris dracunculoides
APSC0028242 Montgomery Tennessee 09 Sep 1950 Floyd Brown
APSC
Amphiachyris dracunculoides
HTTU003303 Hamilton Tennessee
HTTU
Gutierrezia dracunculoides
MTSU021254 Cannon Tennessee 23 Jul 2000 Kurt E. Blum
MTSU
Amphiachyris dracunculoides
MTSU021867 Rutherford Tennessee 02 Aug 1986 Landon E. McKinney
MTSU
Gutierrezia dracunculoides
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Plant Photos

Amphiachyris dracunculoides - Ashley B. Morris
Amphiachyris dracunculoides - Ashley B. Morris
Amphiachyris dracunculoides - Joey Shaw
Amphiachyris dracunculoides - Joey Shaw
Amphiachyris dracunculoides - Joey Shaw
Amphiachyris dracunculoides - Joey Shaw
Amphiachyris dracunculoides - Sunny Fleming
Amphiachyris dracunculoides - Sunny Fleming