Helenium amarum var. amarum

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusHelenium
Species: Helenium amarum
Infrapecies:Helenium amarum (Raf.) H. Rock var. amarum
Common NameFiveleaf Sneezeweed; Sneezeweed; Yellowdicks
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: Febuary; Reproductive Phenology: March; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Brown (incl. Maroon); 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; 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 N/A
StatusNot Native; TN[SNR] KY[SNR] (State Rank); G5T5 (Global Rank)

** 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

No specimens exist for this species.

Plant Photos

Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Dwayne Estes
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Joey Shaw
Helenium amarum var. amarum - Milo Pyne
Helenium amarum var. amarum - Milo Pyne
Helenium amarum var. amarum - Theo Witsell
Helenium amarum var. amarum - Theo Witsell
Helenium amarum var. amarum - Theo Witsell
Helenium amarum var. amarum - Theo Witsell