CPC National Collection Plant Profile

Conradina verticillata

Photographer:
Rob Nicholson

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CPC National Collection Plant Profile

Conradina verticillata


Family: 
Lamiaceae  
Common Names: 
Cumberland rosemary, upland rabbitbane
Author: 
Jennison
Growth Habit: 
Shrub
CPC Number: 
1040

Distribution
Protection
Conservation
References


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Conradina verticillataenlarge
Photographer: Rob Nicholson
Image Owner: The Arnold Arboretum of Harvard University

Conradina verticillataenlarge
Photographer: Rob Nicholson
Image Owner: The Arnold Arboretum of Harvard University


Conradina verticillata is Fully Sponsored
Primary custodian for this plant in the CPC National Collection of Endangered Plants is: 

 
Conradina verticillata


While this species may closely resemble common rosemary to many people, it is an old species native to the southeastern United States. It is increasingly endanger of damage from nature lovers unintentionally causing damage to the few remaining populations. Several populations are located in Big South Fork National River and Recreation Area which has seen an explosion in attendance over the past two decades. (USFWS Species Accounts 1992) Fortunately, it is an easy plant to cultivate and is currently sold for use in rock gardens in local nurseries and over the Internet. If the stream banks this species depends on can be preserved and restored, this species stands a good chance at reaching numbers that allow it to be delisted.

Distribution & Occurrence

State Range
  Kentucky
South Carolina
Tennessee
State Range of  Conradina verticillata
Habitat
  Boulder bars, sand bars, gravel bars, terraces of sand on gradually sloping river banks and islands and pockets of sand between large boulders on islands and stream banks that are open to slightly shaded, have moderately deep and well-drained soils with no visible organic material, and experience periodic flooding as a disturbance (with plants protected from scouring by floods by local topography) (USFWS 1991).

Associates include: Alnus spp., Cephalanthus spp., Chionanthus spp., Cornus spp., Hamamelis spp., Itea spp., Kalmia spp., Lyonia spp., Rhododendron spp., Viburnum spp., Calamovilfa arcuata, Marshallia grandiflora, Andropogon gerardii, Elumnus virginicus, Sorghastrum nutans, Aster linariifolius, Coreopsis pubescens, Hypericum spp., Liatris microcephala, Phlox glaberrima, Pycnanthemum tenuifolium, Silphium trifoliatum, Thalictrium revolutium, and Veronicastrum virginicum. (USFWS 1990)

Distribution
  Kentucky and Tennessee along the South Fork Cumberland River and its tributaries in Morgan, Scott, Fentress Co (TN) and McCreary Co (KY); along the Caney Fork River in Cumberland and White Co. (TN) long the Obed River System in Morgan and Cumberland Co. (TN). (USFWS 1991)

Number Left
  There are forty-four sites in Tennessee and four in Kentucky. They are all located closely enough to allow for free gene flow between colonies causing some to argue that all forty-nine sites are a single population. (USFWS 1991)

Protection

Global Rank:  
G3
 
2/13/1997
Guide to Global Ranks
Federal Status:  
LT
 
10/24/1996
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  Kentucky S1 E 10/11/1990  
  South Carolina S1S2 6/13/1985  
  Tennessee S3 T 8/11/1986  
  Tennessee Valley Authority S? 3/4/1992  

Conservation, Ecology & Research

Ecological Relationships
  Unknown.

Threats
  Dam construction
Waste discharges into streams
Coal mining
Pollution
Trampling by hikers, campers, white-water enthusiasts, and off-road vehicles (ORV's)
Collecting for commercial trade
(USFWS 1991)

Current Research Summary
  T'ai Honda Roulston, a graduate student at the University of Tennessee, Knoxville, studied the reproductive ecology of this species for a Masters Degree in 1994. (Roulston 1994)

Current Management Summary
  None known.

Research Management Needs
  Determine the relative importance of all known populations
Provide the protection needed to ensure survival of populations determined to be essential to recovery of species
Determine the habitat requirements for this species
Determine the biology and life history of this species
Determine the appropriate means of maintaining this species' habitat in a manner conducive to its survival
Develop techniques needed to reestablish the species at sites from which it has been extirpated

Ex Situ Needs
  Enforce laws prohibiting inappropriate trade and taking
Protect genetic material through cultivation and seed banks

References

Books (Single Authors)

USFWS. 1996. Recovery plan for Cumberland rosemary (Conradina verticillata). Atlanta, Ga.: U.S. Fish & Wildlife Service, Southeast Region. 35p.

Electronic Sources

(2000). Showy Native Trees, Shrubs and Woody Vines. [Web site] NC State University. http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/native/scientific_namea-e.html. Accessed: 2002.

USFWS. (1990). Endangered and Threatened Species Accounts. [Web page] U.S. Fish and Wildlife Service, Division of Endangered Species. http://ecos.fws.gov/servlet/TESSSpeciesQuery. Accessed: 2002.

Journal Articles

USFWS. 1976. Proposed Endangered Status for 1700 U.S. Plants. Federal Register. 41: 24523-24572.

Theses

Roulston, T'ai Honda. 1994. Reproductive ecology of Conradina verticillata Jennison, a rare, endemic mint of the Cumberland Plateau. [M.S. Thesis]: University of Tennessee, Knoxville. Knoxville, TN. 85p.


  This profile was updated on 3/4/2010
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