Helianthus silphioides

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusHelianthus
Species:Helianthus silphioides Nutt.
Common NameRosinweed Sunflower
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Natural Area Presence: GILES; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Sub-xeric; 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: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaflet Margins: crenate; 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 8
StatusNative; TN[S2S3] KY[S1] (State Rank); G4 (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

No synonyms exist for this species.

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: Calloway (KY), Laurel (KY), McCreary (KY), Warren (KY), Bledsoe (TN), Carroll (TN), Chester (TN), Coffee (TN), Crockett (TN), Grundy (TN), Hamilton (TN), Hardeman (TN), McNairy (TN), Madison (TN), Marion (TN), Van Buren (TN), Weakley (TN)

Herbaria represented by specimen data listed below: UOS, VDB, APSC, EKY, TENN, UCHT

Range of years during which specimens were collected: 1947 - 2005

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
BRIT96536 Tennessee
VDB
Helianthus silphioides
BRIT96540 Tennessee
VDB
Helianthus silphioides
BRIT96546 Tennessee
VDB
Helianthus silphioides
BRIT96532 Tennessee
VDB
Helianthus silphioides
BRIT96548 Tennessee
VDB
Helianthus silphioides
BRIT96550 Tennessee
VDB
Helianthus silphioides
N/A Coffee Tennessee 06 Sep 1996 Landon E. McKinney
UOS
Helianthus silphioides
UCHT039108 Hamilton Tennessee
UCHT
Helianthus silphioides
APSC0116295 Calloway Kentucky
APSC
Helianthus silphioides
APSC0116294 Calloway Kentucky
APSC
Helianthus silphioides
APSC0114410 McNairy Tennessee
APSC
Helianthus silphioides
APSC0114409 McNairy Tennessee
APSC
Helianthus silphioides
UCHT007850 Madison Tennessee 24 Aug 1947 A. J. Sharp, J. K. Underwood, E. Clebsch
6836
UCHT
Helianthus silphioides
TENN-V-0230477 Coffee Tennessee
TENN
Helianthus silphioides
TENN-V-0230492 Weakley Tennessee
TENN
Helianthus silphioides
TENN-V-0230491 McNairy Tennessee
TENN
Helianthus silphioides
UCHT039109 Hamilton Tennessee
UCHT
Helianthus silphioides
BRIT96549 Tennessee
VDB
Helianthus silphioides
BRIT96545 Tennessee
VDB
Helianthus silphioides
BRIT96547 Tennessee
VDB
Helianthus silphioides
BRIT96543 Tennessee
VDB
Helianthus silphioides
BRIT96542 Tennessee
VDB
Helianthus silphioides
BRIT96539 Tennessee
VDB
Helianthus silphioides
BRIT96544 Tennessee
VDB
Helianthus silphioides
BRIT96541 Tennessee
VDB
Helianthus silphioides
BRIT96533 Tennessee
VDB
Helianthus silphioides
BRIT96537 Tennessee
VDB
Helianthus silphioides
BRIT96535 Tennessee
VDB
Helianthus silphioides
UOS00974 Coffee Tennessee 17 Sep 2005 Mary P. Priestley
UOS
Helianthus silphioides
UOS00975 Coffee Tennessee 06 Sep 1996 Landon E. McKinney
UOS
Helianthus silphioides
APSC0116226 McCreary Kentucky
APSC
Helianthus silphioides
APSC0116227 McCreary Kentucky
APSC
Helianthus silphioides
APSC0116220 Warren Kentucky
APSC
Helianthus silphioides
APSC0116296 Calloway Kentucky
APSC
Helianthus silphioides
TENN-V-0230486 Grundy Tennessee
TENN
Helianthus silphioides
TENN-V-0230476 Coffee Tennessee
TENN
Helianthus silphioides
TENN-V-0230482 Carroll Tennessee
TENN
Helianthus silphioides
TENN-V-0230481 Bledsoe Tennessee
TENN
Helianthus silphioides
TENN-V-0230483 Chester Tennessee
TENN
Helianthus silphioides
TENN-V-0232491 Hardeman Tennessee
TENN
Helianthus silphioides
TENN-V-0230478 Coffee Tennessee
TENN
Helianthus silphioides
TENN-V-0230489 Madison Tennessee
TENN
Helianthus silphioides
TENN-V-0230490 Marion Tennessee
TENN
Helianthus silphioides
31234100732526 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
31234100732559 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
31234100262326 Coffee Tennessee 30 Aug 1991 Ronald L. Jones
6925
EKY
Helianthus silphioides
31234100732534 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
31234100732567 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
TENN-V-0230480 Crockett Tennessee
TENN
Helianthus silphioides
TENN-V-0230479 Coffee Tennessee
TENN
Helianthus silphioides
TENN-V-0230475 Coffee Tennessee
TENN
Helianthus silphioides
TENN-V-0232492 Madison Tennessee
TENN
Helianthus silphioides
TENN-V-0230488 Madison Tennessee 24 Aug 1947 A.J. Sharp
TENN
Helianthus silphioides
TENN-V-0230487 Hardeman Tennessee
TENN
Helianthus silphioides
31234100737749 Van Buren Tennessee 19 Aug 1989 H.R. Deselm
EKY
Helianthus silphioides
31234100732401 Calloway Kentucky Landon E. Mckinney
EKY
Helianthus silphioides
31234100732518 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
31234100732542 Laurel Kentucky Max E. Medley
EKY
Helianthus silphioides
BRIT96538 Tennessee
VDB
Helianthus silphioides
BRIT277316 Coffee Tennessee
VDB
Helianthus silphioides
BRIT96534 Tennessee
VDB
Helianthus silphioides
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Plant Photos

Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Dwayne Estes
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick
Helianthus silphioides - Shawn Krosnick