CPC National Collection Plant Profile

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CPC National Collection Plant Profile

Muhlenbergia torreyana


Family: 
Poaceae  
Common Names: 
Torrey's dropseed, Torrey's muhly
Author: 
(Schultes) A.S. Hitchc.
Growth Habit: 
Graminoid
CPC Number: 
2902

Distribution
Protection
Conservation
References


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Muhlenbergia torreyana


This range of the New Jersey muhly has significantly declined over the last century, but it is still found in four states, one of which is New Jersey, where the species is locally abundant in the Pine Barrens. (NatureServe 2001).

A true grass, M. torreyana produces a plume of purple flowers that can be up to a foot in length that is held on a 12” to 30” stem.

Distribution & Occurrence

State Range
  Maryland
New Jersey
North Carolina
Tennessee
State Range of  Muhlenbergia torreyana
Habitat
  Moist, peaty Pine Barrens and meadows (Mitchell 1981)

Distribution
  According to Kartesz (1999):
• Delaware (Historic/Extirpated)
• Georgia (Historic/Extirpated)
• Maryland (Rare)
• North Carolina (Rare)
• New Jersey (Rare)
• New York (Historic/Extirpated)
• Tennessee (Rare)

Number Left
  Unknown.

Protection

Global Rank:  
G3
 
10/30/1992
Guide to Global Ranks
Federal Status:  
RT
 
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  Delaware SH 1/26/1988  
  Georgia SH 7/13/1995  
  Kentucky SRF N 10/10/1990  
  Maryland S1 E 12/18/1991  
  New Jersey S3 4/24/1991  
  New York SH U 2/17/1989  
  North Carolina S2 E 1/27/1992  
  Tennessee SH E-P 8/11/1986  
  Tennessee Valley Authority S? 4/22/1991  

Conservation, Ecology & Research

Ecological Relationships
  Unknown.

Threats
  • Habitat destruction

Current Research Summary
  Pizzolato (1995, 1996, 1998) has used this species as a model to understand procambrial development in grasses.

Current Management Summary
  None known.

Research Management Needs
  • Research into the ecology, biology, and true distribution of this species would aid in conservation efforts.

Ex Situ Needs
  • Maintain genetically-representative seed bank.

References

Books (Single Authors)

Chester, E.W.; Wofford, B.E.; Kral, R.; DeSelm, H.R.; Evans, A.M. 1993. Atlas of Tennessee vascular plants. Clarksville, Tennessee: Austin Peay State University.

Radford, A.E.; Ahles, H.E.; Bell, C.R. 1968. Manual of the vascular flora of the Carolinas. Chapel Hill, NC: University of North Carolina Press. 1183p.

Books (Sections)

Kartesz, J.T. 1999. A synonymized checklist of the vascular flora of the U.S., Canada, and Greenland. In: Kartesz, J.T.; Meacham, C.A., editors. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden. Chapel Hill, NC.

Electronic Sources

NatureServe. (2008). NatureServe Explorer: An online encyclopedia of life [web application]. [Internet].Version 7.0. NatureServe, Arlington, Virginia. http://www.natureserve.org/explorer. Accessed: (June 17, 2008).

USDA. (2002). PLANTS profiles. [Web site] United States Department of Agriculture, Natural Resources Conservation Service. http://www.plants.usda.gov. Accessed: 2002.

Journal Articles

Pizzolato, T.D. 1995. Patterns of Procambial Development in Rachilla and Floret of Muhlenbergia torreyana (Gramineae, Chloridoideae). International Journal of Plant Sciences. 156, 5: 603-614.

Pizzolato, T.D. 1996. Gynobasic procambial initiation in the pistil of Muhlenbergia torreyana (Gramineae, Chloridoideae) in contrast to the gynomedian pattern. Bulletin of the Torrey Botanical Club. 123, 2: 126-134.

Pizzolato, T.D. 1998. Procambial initiation for the vascular system in the spikelet of wheat. International Journal of Plant Sciences. 159, 1: 46-56.

Reports

Mitchell, R.S.; Sheviak, C.J. 1981. Rare Plants of New York State. Bull. No. 445. Albany, N.Y.: New York State Museum. University of the State of New York. p.96.


  This profile was updated on 3/4/2010
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