Helianthus decapetalus

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusHelianthus
Species:Helianthus decapetalus L.
Common NameThinleaf Sunflower
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BFM; Natural Area Presence: FCFSP; Natural Area Presence: FG; Natural Area Presence: GILES; Natural Area Presence: GM; Natural Area Presence: GRSM; Natural Area Presence: LCW; Natural Area Presence: NRG; Natural Area Presence: SGSNA; Natural Area Presence: SM; Natural Area Presence: UCR; Natural Area Presence: WOLF; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaflet Margins: serrate; 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: head; Inflorescence Types: solitary; 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 6
StatusNative; AGCP (UPL), EMP (FACU) (NWPL); TN[SNR] KY[S5] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.
Featured Plant Photo

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
Helianthus decapetalis Helianthus decapetalis L.

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: Ballard (KY), Bell (KY), Carter (KY), Clark (KY), Clinton (KY), Harlan (KY), Jackson (KY), Jefferson (KY), Knox (KY), Letcher (KY), Lewis (KY), Lincoln (KY), Livingston (KY), McCracken (KY), McCreary (KY), Madison (KY), Marion (KY), Marshall (KY), Menifee (KY), Montgomery (KY), Perry (KY), Powell (KY), Rockcastle (KY), Whitley (KY), Woodford (KY), Carter (TN), Cocke (TN), Decatur (TN), Giles (TN), Greene (TN), Grundy (TN), Hamilton (TN), Hancock (TN), Hardin (TN), Hawkins (TN), Haywood (TN), Hickman (TN), Humphreys (TN), Jackson (TN), Knox (TN), Madison (TN), Marion (TN), Maury (TN), Perry (TN), Polk (TN), Putnam (TN), Roane (TN), Scott (TN), Sullivan (TN), Unicoi (TN), Union (TN), Van Buren (TN), Washington (TN), Wayne (TN), Weakley (TN)

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

Range of years during which specimens were collected: 1897 - 2015

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
31234100239167 Letcher Kentucky 05 Aug 1978 Jeffrey D. Sole
434		 EKY
Helianthus decapetalus
31234100239241 Montgomery Kentucky 17 Sep 1984 Julian Campbell
1372		 EKY
Helianthus decapetalus
31234100239159 Knox Kentucky 17 Aug 1993 Deborah White
31		 EKY
Helianthus decapetalus
31234100239134 Harlan Kentucky 14 Aug 1998 Ronald L. Jones
8632		 EKY
Helianthus decapetalus
31234100239209 Marshall Kentucky 17 Sep 1969 Raymond Athey
824		 EKY
Helianthus decapetalus
BEREA007600 Clark Kentucky
BEREA
Helianthus decapetalus
BEREA007603 Madison Kentucky
BEREA
Helianthus decapetalus
N/A Unicoi Tennessee 31 Jul 2010 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005904 Unicoi Tennessee 05 Aug 2015 Frosty Levy
 ETSU
Helianthus decapetalus
N/A Carter Tennessee 23 Aug 2014 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005889 Carter Tennessee 09 Oct 2015 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005890 Carter Tennessee 09 Oct 2015 Frosty Levy
 ETSU
Helianthus decapetalus
N/A Unicoi Tennessee 01 Oct 2011 Frosty Levy
 ETSU
Helianthus decapetalus
N/A Unicoi Tennessee 28 Aug 2010 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0229995 Polk Tennessee
TENN
Helianthus decapetalus
31234100239191 Marion Kentucky 14 Aug 1994 M. H. McGuffey
64		 EKY
Helianthus decapetalus
BEREA007602 Lewis Kentucky
BEREA
Helianthus decapetalus
ETSU005302 Unicoi Tennessee 01 Oct 2011 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU007052 Unicoi Tennessee 27 Aug 2009 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU007051 Unicoi Tennessee 27 Aug 2009 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU008048 Carter Tennessee
ETSU
Helianthus decapetalus
ETSU005591 Unicoi Tennessee 06 Aug 2011 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0230006 Wayne Tennessee
TENN
Helianthus decapetalus
TENN-V-0229984 Madison Tennessee
TENN
Helianthus decapetalus
TENN-V-0229974 Giles Tennessee
TENN
Helianthus decapetalus
TENN-V-0229998 Sullivan Tennessee
TENN
Helianthus decapetalus
TENN-V-0229972 Giles Tennessee
TENN
Helianthus decapetalus
TENN-V-0229990 Polk Tennessee
TENN
Helianthus decapetalus
TENN-V-0229993 Polk Tennessee
TENN
Helianthus decapetalus
APSC0115977 Whitley Kentucky
APSC
Helianthus decapetalus
31234100239142 Jackson Kentucky 26 Aug 1997 Ronald L. Jones
8199		 EKY
Helianthus decapetalus
ETSU005818 Unicoi Tennessee 29 Sep 2015 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005561 Greene Tennessee 27 Aug 2011 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005563 Greene Tennessee 27 Aug 2011 Frosty Levy
 ETSU
Helianthus decapetalus
N/A Unicoi Tennessee 14 Aug 2015 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005926 Unicoi Tennessee 02 Aug 2015 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0229994 Polk Tennessee
TENN
Helianthus decapetalus
TENN-V-0229986 Perry Tennessee
TENN
Helianthus decapetalus
TENN-V-0230000 Van Buren Tennessee
TENN
Helianthus decapetalus
TENN-V-0229982 Jackson Tennessee
TENN
Helianthus decapetalus
APSC0091891 McCreary Kentucky
APSC
Helianthus decapetalus
HTTU003413 Putnam Tennessee
HTTU
Helianthus decapetalis
UCHT029227 Hamilton Tennessee
UCHT
Helianthus decapetalus
UCHT029225 Hamilton Tennessee
UCHT
Helianthus decapetalus
UCHT029228 Hamilton Tennessee
UCHT
Helianthus decapetalus
31234100239266 Powell Kentucky 18 Sep 1988 R. C. Clark
22079		 EKY
Helianthus decapetalus
31234100239274 Woodford Kentucky 30 Sep 1978 J. Stuart Lassetter
3330		 EKY
Helianthus decapetalus
31234100239175 Lincoln Kentucky 04 Aug 1988 Bruce Hoagland
546		 EKY
Helianthus decapetalus
31234100239258 Perry Kentucky 21 Jul 1982 Ronald L. Jones
3851		 EKY
Helianthus decapetalus
BEREA007605 Rockcastle Kentucky
BEREA
Helianthus decapetalus
TENN-V-0229987 Perry Tennessee
TENN
Helianthus decapetalus
TENN-V-0229981 Humphreys Tennessee
TENN
Helianthus decapetalus
TENN-V-0229971 Decatur Tennessee
TENN
Helianthus decapetalus
APSC0116348 Harlan Kentucky 15 Aug 1982 Max Medley
 APSC
Helianthus decapetalus
APSC0053642 Hickman Tennessee
APSC
Helianthus decapetalus
APSC0091890 McCreary Kentucky
APSC
Helianthus decapetalus
APSC0121641 Harlan Kentucky
APSC
Helianthus decapetalus
ETSU012369 Unicoi Tennessee
15439		 ETSU
Helianthus decapetalus
ETSU034128 Carter Tennessee
ETSU
Helianthus decapetalus
ETSU012367 Greene Tennessee
RF2634		 ETSU
Helianthus decapetalus
31234100239217 McCreary Kentucky 11 Oct 1999 Ronald L. Jones
9213		 EKY
Helianthus decapetalus
31234100239225 Menifee Kentucky 17 Sep 1988 R. C. Clark
22991		 EKY
Helianthus decapetalus
ETSU005562 Greene Tennessee 27 Aug 2011 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0229992 Polk Tennessee
TENN
Helianthus decapetalus
TENN-V-0230001 Van Buren Tennessee
TENN
Helianthus decapetalus
TENN-V-0229970 Carter Tennessee
TENN
Helianthus decapetalus
TENN-V-0229991 Polk Tennessee
TENN
Helianthus decapetalus
TENN-V-0229988 Perry Tennessee
TENN
Helianthus decapetalus
APSC0116352 Bell Kentucky
APSC
Helianthus decapetalus
UCHT029224 Hamilton Tennessee
UCHT
Helianthus decapetalus
N/A Cocke Tennessee 01 Sep 1897 Thos H. Kearney
789		 UCHT
Helianthus decapetalis
UOS00967 Van Buren Tennessee 21 Jul 2001 Chris A. Fleming
 UOS
Helianthus decapetalus
ETSU012364 Carter Tennessee
14740		 ETSU
Helianthus decapetalus
ETSU034126b Carter Tennessee
ETSU
Helianthus decapetalus
ETSU012373 Unicoi Tennessee
ETSU
Helianthus decapetalus
31234100239118 Clinton Kentucky 11 Aug 1999 Mark A. Gorton
99-1112		 EKY
Helianthus decapetalus
31234100239183 Marion Kentucky 14 Aug 1994 M. H. McGuffey
65		 EKY
Helianthus decapetalus
31234100239100 Carter Kentucky 29 Jul 1998 Ronald L. Jones
8539		 EKY
Helianthus decapetalus
N/A Unicoi Tennessee 16 Oct 2011 Frosty Levy
 ETSU
Helianthus decapetalus
ETSU005297 Unicoi Tennessee 01 Oct 2011 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0229999 Union Tennessee
TENN
Helianthus decapetalus
TENN-V-0229979 Hawkins Tennessee
TENN
Helianthus decapetalus
TENN-V-0229978 Hardin Tennessee
TENN
Helianthus decapetalus
TENN-V-0229976 Greene Tennessee
TENN
Helianthus decapetalus
TENN-V-0229985 Maury Tennessee
TENN
Helianthus decapetalus
APSC0053645 Hickman Tennessee
APSC
Helianthus decapetalus
APSC0076820 McCreary Kentucky
APSC
Helianthus decapetalus
APSC0115834 Jefferson Kentucky
APSC
Helianthus decapetalus
ETSU034126d Carter Tennessee
ETSU
Helianthus decapetalus
ETSU012370 Unicoi Tennessee
11111		 ETSU
Helianthus decapetalus
APSC0025026 Hancock Tennessee
APSC
Helianthus decapetalus
APSC0025028 Giles Tennessee
APSC
Helianthus decapetalus
APSC0121506 Jefferson Kentucky
APSC
Helianthus decapetalus
APSC0025027 Polk Tennessee
APSC
Helianthus decapetalus
APSC0053643 Hickman Tennessee
APSC
Helianthus decapetalus
N/A Knox Tennessee A. Ruth
682		 UCHT
Helianthus decapetalis
UCHT040049 Polk Tennessee
UCHT
Helianthus decapetalus
UCHT029226 Hamilton Tennessee
UCHT
Helianthus decapetalus
ETSU012371 Unicoi Tennessee
ETSU
Helianthus decapetalus
ETSU034126c Carter Tennessee
ETSU
Helianthus decapetalus
ETSU012368 Greene Tennessee
RF2635		 ETSU
Helianthus decapetalus
MEM006420 Livingston Kentucky 30 Sep 1968 Raymond Athey
505		 MEM
Helianthus decapetalus
MEM012782 Ballard Kentucky 21 Sep 1977 Raymond Athey
3840		 MEM
Helianthus decapetalus
31234100239233 Menifee Kentucky 24 Jul 1989 Carol Hanley
75		 EKY
Helianthus decapetalus
BEREA007606 Rockcastle Kentucky
BEREA
Helianthus decapetalus
N/A Unicoi Tennessee 31 Jul 2010 Frosty Levy
 ETSU
Helianthus decapetalus
TENN-V-0230007 Weakley Tennessee
TENN
Helianthus decapetalus
TENN-V-0229983 Knox Tennessee
TENN
Helianthus decapetalus
TENN-V-0229973 Giles Tennessee
TENN
Helianthus decapetalus
APSC0115983 Whitley Kentucky
APSC
Helianthus decapetalus
APSC0053644 Hickman Tennessee
APSC
Helianthus decapetalus
APSC0121642 Harlan Kentucky
APSC
Helianthus decapetalus
ETSU034124 Carter Tennessee
ETSU
Helianthus decapetalus
ETSU034126a Carter Tennessee
ETSU
Helianthus decapetalus
ETSU009446 Carter Tennessee
15787		 ETSU
Helianthus decapetalus
N/A Knox Tennessee A. Ruth
682		 UCHT
Helianthus decapetalis
31234100239126 Harlan Kentucky 19 Aug 1998 Ronald L. Jones
8743		 EKY
Helianthus decapetalus
BEREA007599 Bell Kentucky
BEREA
Helianthus decapetalus
BEREA007598 Bell Kentucky
BEREA
Helianthus decapetalus
BEREA007604 Madison Kentucky
BEREA
Helianthus decapetalus
BEREA007601 Lewis Kentucky
BEREA
Helianthus decapetalus
TENN-V-0230003 Washington Tennessee
TENN
Helianthus decapetalus
TENN-V-0229969 Carter Tennessee
TENN
Helianthus decapetalus
TENN-V-0229997 Scott Tennessee
TENN
Helianthus decapetalus
TENN-V-0231457 Whitley Kentucky
TENN
Helianthus decapetalus
TENN-V-0229980 Haywood Tennessee
TENN
Helianthus decapetalus
TENN-V-0229989 Polk Tennessee
TENN
Helianthus decapetalus
TENN-V-0230005 Wayne Tennessee
TENN
Helianthus decapetalus
ETSU031044 Carter Tennessee
ETSU
Helianthus decapetalus
ETSU034127 Carter Tennessee
ETSU
Helianthus decapetalus
BEREA025233 Lewis Kentucky
BEREA
Helianthus decapetalus
ETSU012366 Unicoi Tennessee
RF2746		 ETSU
Helianthus decapetalus
TENN-V-0230004 Wayne Tennessee
TENN
Helianthus decapetalus
TENN-V-0230002 Van Buren Tennessee
TENN
Helianthus decapetalus
TENN-V-0229996 Roane Tennessee
TENN
Helianthus decapetalus
TENN-V-0229975 Giles Tennessee
TENN
Helianthus decapetalus
TENN-V-0229977 Grundy Tennessee
TENN
Helianthus decapetalus
MTSU021900 Perry Tennessee 06 Aug 1956 E. Rucker
 MTSU
Helianthus decapetalus
ETSU034129 Carter Tennessee
ETSU
Helianthus decapetalus
ETSU012365 Unicoi Tennessee
RF2784		 ETSU
Helianthus decapetalus
UCHT041083 Marion Tennessee
UCHT
Helianthus decapetalus
MEM006807 McCracken Kentucky 28 Sep 1972 Raymond Athey
2178		 MEM
Helianthus decapetalus
BRIT277332 Harlan Kentucky
VDB
Helianthus decapetalus
ETSU012372 Sullivan Tennessee
ETSU
Helianthus decapetalus
MEM005398 Livingston Kentucky 06 Sep 1970 Raymond Athey
1224		 MEM
Helianthus decapetalus
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Plant Photos

Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Dwayne Estes
Helianthus decapetalus - Tara Littlefield
Helianthus decapetalus - Tara Littlefield
Helianthus decapetalus - Tara Littlefield
Helianthus decapetalus - Tara Littlefield