Characteristics
Dicots
Caulophyllum thalictroides (L.) Michx.
Blue Cohosh
forb
10
**
Native
TN[SNR] KY[S4S5] (State Rank)
G5 (Global Rank)
Anther Type
Basifixed
Armaments
No
Base Flower Color
Brown (incl. Maroon)
Carpel Number/Pistil
1
Duration
Perennial
Fruit Dehiscence
No
Fruit Type
Drupe
Fruit Wet/Dry
Wet
General Ecology
Terrestrial
Growth Habit
forb
Leaf Arrangement
alternate
Leaf Complexity
compound
Leaf Dissection
2
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
petiolate
Leaf Type
broadleaf
Leaf Venation
pinnate; ternate
Leaflet Margins
dentate; lobed
Leaflet Number
9; 12; 15; 17; 19; >20
Moisture Requirements
Mesic
Natural Area Presence
PCSF; FCFSP; ObedWSR; NCCGSNA; LGS; NRG; GILES; UCR; BEH; BFM; GM; GRSM; SGSNA; WOLF; LCW; TRG; SM; LC; FG; WOCG-BISO
Overall Flower Symmetry
Actinomorphic
Ovules per Carpel
2
Parent Rock
Calcareous; Chert; Limestone; Sandstone
Perianth Present
Yes
Petal Number
6
Pistil Number
1
Placentation Type
Basal
Soil Composition
Mineral
Soil pH
Acidic; Alkaline; Circumneutral
Stamen Number
6
Unconsolidated Rock
Yes
Unconsolidated Size Class
Silt
Woody Herbaceous
Herbaceous
Classification
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
Caulophyllum thalictroides
- Ashley B. Morris
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Caulophyllum thalictroides
- Ashley B. Morris
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Caulophyllum thalictroides
- Ashley B. Morris
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Caulophyllum thalictroides
- Ashley B. Morris
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Caulophyllum thalictroides
- Dwayne Estes
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Caulophyllum thalictroides
- Dwayne Estes
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Caulophyllum thalictroides
- Dwayne Estes
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Caulophyllum thalictroides
- Joey Shaw
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Caulophyllum thalictroides
- Milo Pyne
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Caulophyllum thalictroides
- Milo Pyne
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Caulophyllum thalictroides
- Milo Pyne
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Caulophyllum thalictroides
- Tara Littlefield
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Caulophyllum thalictroides
- Tara Littlefield
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Caulophyllum thalictroides
- Tara Littlefield
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Caulophyllum thalictroides
- Tara Littlefield
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Caulophyllum thalictroides
- Theo Witsell
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Caulophyllum thalictroides
- Theo Witsell
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Caulophyllum thalictroides
- Theo Witsell
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Caulophyllum thalictroides
- Theo Witsell
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Caulophyllum thalictroides
- Joey Shaw
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Caulophyllum thalictroides
- Joey Shaw
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Caulophyllum thalictroides
- Joey Shaw
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Caulophyllum thalictroides
- Joey Shaw
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