Caulophyllum thalictroides

ClassificationDicots
FamilyBerberidaceae
Family (Traditional)Berberidaceae
GenusCaulophyllum
Species:Caulophyllum thalictroides (L.) Michx.
Common NameBlue Cohosh
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BEH; Natural Area Presence: BFM; Natural Area Presence: FCFSP; Natural Area Presence: FG; Natural Area Presence: GILES; Natural Area Presence: GM; Natural Area Presence: GRSM; Natural Area Presence: LC; Natural Area Presence: LCW; Natural Area Presence: LGS; Natural Area Presence: NCCGSNA; Natural Area Presence: NRG; Natural Area Presence: ObedWSR; Natural Area Presence: SGSNA; Natural Area Presence: SM; Natural Area Presence: TRG; Natural Area Presence: UCR; Natural Area Presence: WOLF; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Leaf Arrangement: alternate; Leaf Complexity: compound; Leaf Dissection: 2; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaf Venation: ternate; Leaflet Margins: dentate; Leaflet Margins: lobed; Leaflet Number: 9; Leaflet Number: 12; Leaflet Number: 15; Leaflet Number: 17; Leaflet Number: 19; Anther Type: Basifixed; Base Flower Color: Brown (incl. Maroon); Carpel Number/Pistil: 1; Fruit Dehiscence: No; Fruit Type: Drupe; Fruit Wet/Dry: Wet; Hypanthium Present: No; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 2; Perianth Present: Yes; Petal Number: 6; Pistil Number: 1; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 6
C value 10
StatusNative; TN[SNR] KY[S4S5] (State Rank); G5 (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.

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  • 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: Anderson (KY), Bell (KY), Boyle (KY), Breathitt (KY), Breckinridge (KY), Bullitt (KY), Caldwell (KY), Campbell (KY), Carter (KY), Clay (KY), Clinton (KY), Crittenden (KY), Edmonson (KY), Elliott (KY), Estill (KY), Fleming (KY), Franklin (KY), Grant (KY), Grayson (KY), Green (KY), Greenup (KY), Hardin (KY), Harlan (KY), Jackson (KY), Jefferson (KY), Johnson (KY), Knox (KY), Larue (KY), Laurel (KY), Lee (KY), Leslie (KY), Letcher (KY), Lewis (KY), Lincoln (KY), Livingston (KY), Logan (KY), Lyon (KY), McCreary (KY), Madison (KY), Menifee (KY), Mercer (KY), Oldham (KY), Pike (KY), Powell (KY), Rockcastle (KY), Rowan (KY), Todd (KY), Warren (KY), Anderson (TN), Bedford (TN), Bledsoe (TN), Campbell (TN), Cannon (TN), Carter (TN), Cheatham (TN), Claiborne (TN), Clay (TN), Cocke (TN), Coffee (TN), Cumberland (TN), Davidson (TN), DeKalb (TN), Fentress (TN), Franklin (TN), Giles (TN), Grainger (TN), Greene (TN), Grundy (TN), Hamilton (TN), Hawkins (TN), Hickman (TN), Jackson (TN), Johnson (TN), Knox (TN), Lincoln (TN), Marion (TN), Monroe (TN), Montgomery (TN), Morgan (TN), Overton (TN), Pickett (TN), Polk (TN), Putnam (TN), Roane (TN), Scott (TN), Sevier (TN), Shelby (TN), Stewart (TN), Sullivan (TN), Sumner (TN), Unicoi (TN), Van Buren (TN), Warren (TN), Washington (TN), White (TN), Williamson (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, BOON, EKY, ETSU, HTTU, KNK, MDKY, MEM, MTSU, TENN, UCHT, UOS, UTM

Range of years during which specimens were collected: 1947 - 2012

Accession No. (click for full details)
County
State
Coll. Date
Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100313319 Anderson Kentucky 11 Jun 1978 William S . Bryant
548
EKY
Caulophyllum thalictroides
TENN-V-0101127 Anderson Tennessee
TENN
Caulophyllum thalictroides
TENN-V-0101126 Anderson Tennessee
TENN
Caulophyllum thalictroides
011643 Anderson Tennessee
BOON
Caulophyllum thalictroides
MTSU003887 Bedford Tennessee 05 Apr 1982 John Clowers
9
MTSU
Caulophyllum thalictroides
MEM000460 Bell Kentucky 07 May 1961 Elizabeth M. Browne, Edward T. Browne Jr.
4051
MEM
Caulophyllum thalictroides
31234100313335 Bell Kentucky 21 Apr 1990 Ralph L. Thompson
90-281
EKY
Caulophyllum thalictroides
31234100313327 Bell Kentucky 08 Jun 2005 Amy V. McIntosh
1020
EKY
Caulophyllum thalictroides
BEREA009818 Bell Kentucky
BEREA
Caulophyllum thalictroides
BEREA009819 Bell Kentucky
BEREA
Caulophyllum thalictroides
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Plant Photos

Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Ashley B. Morris
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Dwayne Estes
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Milo Pyne
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Tara Littlefield
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Theo Witsell
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw
Caulophyllum thalictroides - Joey Shaw