Eryngium yuccifolium

Characteristics
Dicots
Apiaceae
Eryngium
Eryngium yuccifolium Michx. var. yuccifolium
Rattlesnake Master; Button Eryngo
forb
4
**
Native TN[SNR] KY[SNR] (State Rank) G5T5 (Global Rank)
Armaments
No
Base Flower Color
White
Carpel Number/Pistil
2
Duration
Perennial
Fruit Dehiscence
No
Fruit Type
Schizocarp
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Inflorescence Position
terminal
Inflorescence Types
umbel
Leaf Arrangement
alternate
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Petiole Type
sessile
Leaf Type
broadleaf; sword-like
Leaf Venation
parallel
Leaflet Margins
serrate
Leaflet Number
0
Moisture Requirements
Xeric; Mesic
Ovary Position
Inferior
Overall Flower Symmetry
Actinomorphic
Parent Rock
Calcareous; Chert; Limestone
Perianth Present
Yes
Petal Fusion
No
Petal Number
5
Pistil Complexity
Compound
Pistil Number
1
Placentation Type
Axillary
Sepal Fusion
No
Sepal Number
0; 5
Soil Composition
Mineral; Organic
Soil pH
Alkaline; Circumneutral
Stamen Number
5
Unconsolidated Rock
Yes
Unconsolidated Size Class
Clay; Loam
Woody Herbaceous
Herbaceous
View details of Herbarium specimens
** Not applicable or data not available.
Classification
Apiales
Eryngium
Eryngium yuccifolium Michx. var. yuccifolium - Rattlesnake Master; Button Eryngo
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display 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.

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
  • Interior River Valleys and Hills
    • Shawnee / Caseyville Hills
  • Mississippi Alluvial Plain
  • Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Range of years during which specimens were collected:

Plant Photos
Eryngium yuccifolium var. yuccifolium - 3
Eryngium yuccifolium var. yuccifolium - Ashley B. Morris View Full Size
Eryngium yuccifolium var. yuccifolium - 3
Eryngium yuccifolium var. yuccifolium - Ashley B. Morris View Full Size
Eryngium yuccifolium var. yuccifolium - 13
Eryngium yuccifolium var. yuccifolium - Dwayne Estes View Full Size
Eryngium yuccifolium var. yuccifolium - 2
Eryngium yuccifolium var. yuccifolium - Joey Shaw View Full Size
Eryngium yuccifolium var. yuccifolium - 2
Eryngium yuccifolium var. yuccifolium - Joey Shaw View Full Size
Eryngium yuccifolium var. yuccifolium - 2
Eryngium yuccifolium var. yuccifolium - Joey Shaw View Full Size
Eryngium yuccifolium var. yuccifolium - 2
Eryngium yuccifolium var. yuccifolium - Joey Shaw View Full Size
Eryngium yuccifolium var. yuccifolium - 20
Eryngium yuccifolium var. yuccifolium - Milo Pyne View Full Size
Eryngium yuccifolium var. yuccifolium - 20
Eryngium yuccifolium var. yuccifolium - Milo Pyne View Full Size
Eryngium yuccifolium var. yuccifolium - 18
Eryngium yuccifolium var. yuccifolium - Sunny Fleming View Full Size
Eryngium yuccifolium var. yuccifolium - 21
Eryngium yuccifolium var. yuccifolium - Tara Littlefield View Full Size
Eryngium yuccifolium var. yuccifolium - 19
Eryngium yuccifolium var. yuccifolium - Theo Witsell View Full Size
Eryngium yuccifolium var. yuccifolium - 19
Eryngium yuccifolium var. yuccifolium - Theo Witsell View Full Size
Eryngium yuccifolium var. yuccifolium - 19
Eryngium yuccifolium var. yuccifolium - Theo Witsell View Full Size