Characteristics
Dicots
Rhaponticum repens (L.) Hidalgo
Russian Knapweed; Pinnate Prairie Coneflower; Russian Knap Weed; Pinnate Prairie Cone Flower; Grey Headed Cone Flower; Grey Head Cone Flower; Greyheaded Cone Flower; Greyhead Cone Flower; Grey Headed Coneflower; Grey Head Coneflower; Greyheaded Coneflower; Greyhead Coneflower; Gray Headed Cone Flower; Gray Head Cone Flower; Grayheaded Cone Flower; Grayhead Cone Flower; Gray Headed Coneflower; Gray Head Coneflower; Grayheaded Coneflower; Grayhead Coneflower
forb
1
**
Not Native
Anther Type
Basifixed
Armaments
No
Base Flower Color
Pink; Purple
Carpel Number/Pistil
1; 2
Duration
Perennial
Fruit Complexity
Simple
Fruit Dehiscence
No
Fruit Type
Cypsela
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Inflorescence Position
terminal
Leaf Arrangement
basal; alternate
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
petiolate; sessile
Leaf Type
broadleaf
Leaf Venation
pinnate
Leaflet Margins
entire; dentate; lobed
Leaflet Number
0
Ovary Position
Inferior
Overall Flower Symmetry
Actinomorphic; Zygomorphic
Ovules per Carpel
1
Parent Rock
Calcareous; Limestone
Perianth Present
Yes
Petal Fusion
Yes
Pistil Complexity
Simple
Pistil Number
1
Placentation Type
Basal
Soil Composition
Mineral
Soil pH
Alkaline
Stamen Number
5
Unconsolidated Rock
No; Yes
Woody Herbaceous
Herbaceous
Classification
Asterales
Rhaponticum repens (L.) Hidalgo - Russian Knapweed; Pinnate Prairie Coneflower; Russian Knap Weed; Pinnate Prairie Cone Flower; Grey Headed Cone Flower; Grey Head Cone Flower; Greyheaded Cone Flower; Greyhead Cone Flower; Grey Headed Coneflower; Grey Head Coneflower; Greyheaded Coneflower; Greyhead Coneflower; Gray Headed Cone Flower; Gray Head Cone Flower; Grayheaded Cone Flower; Grayhead Cone Flower; Gray Headed Coneflower; Gray Head Coneflower; Grayheaded Coneflower; Grayhead Coneflower
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
Rhaponticum repens
- Alaina Krakowiak
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Rhaponticum repens
- Alaina Krakowiak
View Full Size
Rhaponticum repens
- Alaina Krakowiak
View Full Size