CPC National Collection Plant Profile

Justicia cooleyi

Photographer:
c. 1991 Steve Shirah

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CPC National Collection Plant Profile

Justicia cooleyi


Family: 
Acanthaceae  
Common Names: 
Cooley's Justicia, Cooley's water-willow
Author: 
Monachino & Leonard
Growth Habit: 
Forb/herb
CPC Number: 
2374

Distribution
Protection
Conservation
References


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Justicia cooleyienlarge
Photographer: c. 1991 Steve Shirah


Justicia cooleyi is Fully Sponsored
Primary custodian for this plant in the CPC National Collection of Endangered Plants is: 
S.K. Maddox contributed to this Plant Profile.

 
Justicia cooleyi


Cooley's water-willow is a small but lovely plant. It is a short, rhizomatous, perennial herb that grows to less than 40 cm (16 inches) tall. Justicia cooleyi has upright, square stems that are covered with hairs. Its flowers, which open from August to December, are borne on forked, zigzag branches that are slightly longer that the leaves (up to 5 cm long). The petals are fused into a 10 mm long, two-lipped corolla with a slightly longer lower lip. The lower lip is mottled lavender and white, while the rest of the corolla is bright lavender-rose. Tiny, but worth the look.

This rare species differs from its more common relative, Justicia ovata, because it has thin leaves, dense overall hairiness, and a dark velvety flower lip. (FNAI 2000)

Distribution & Occurrence

State Range
  Florida
State Range of  Justicia cooleyi
Habitat
  Justicia cooleyi is endemic to middle peninsular Florida, in the Brooksville Ridge. It is found in dense-to-lightly shaded areas in hardwood or hardwood-pine hammocks, along meandering streams or small gullies, and on low rises within swamp-woodland hammocks. Soils are either fine sandy or silty clay loams. (Kral 1983)

Trees found in association with this species include southern magnolia, black gum, sweet gum, live oak, laurel oak, pignut hickory, cabbage palm, flowering dogwood, and yaupon holly. Understory associates include ferns, woodland grasses, and sedges. Fires are rare or do not occur at all, and the weather is temperate. As stated earlier, these are small plants, and they can easily get lost among the vegetation. (USFWS 1990)

Distribution
  Justicia cooleyi is a native to the Brooksville Ridge in north Central Hernando County. All populations have been found in that area (USFWS 1990).

Number Left
  Five sites (Brooksville Ridge) plus 1 new site in Sumter Co.
Seventeen populations are known; about half are in conservation areas. (FNAI 2000)

Protection

Global Rank:  
G2
 
6/27/2000
Guide to Global Ranks
Federal Status:  
LE
 
10/24/1996
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  Florida S1S2 LE 4/12/1990  

Conservation, Ecology & Research

Ecological Relationships
  None known.

Threats
  Limerock mining.
Clearcutting hardwood forests.
Agricultural and residential development.
(FNAI 2000)
Toll road development (Sierra Sun 2000).

Current Research Summary
  None known.

Current Management Summary
  A monitoring plant for this species has been prepared (Landry 1995)

Research Management Needs
  Coordinated program to protect hardwood forest habitat.
Thorough search to accurately determine Cooley's water-willow's distribution and abundance.
Eradicate invasive plants.
Monitor and protect known roadside populations.
(USFWS 1990; FNAI 2000)

Ex Situ Needs
  Continue work with the plant as part of the Center for Plant Conservation at Historic Bok Sanctuary.

References

Books (Single Authors)

Coile, N.C. 2000. Notes on Florida's Regulated Plant Index (Rule 5B-40), Botany Contribution 38. Gainesville, Florida: Florida Dept. of Agriculture and Consumer Services, Division of Plant Industry.

FNAI. 2000. Field Guide to the Rare Plants and Animals of Florida online. Florida Natural Areas Inventory.

Hall, David W. 1993. Illustrated plants of Florida and the coastal plain. Gainesville, FL: Maupin House. 431p.

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.

Taylor, W.K. 1992. The Guide to Florida Wildflowers. Dallas, Texas: Taylor Publishing Company. 320p.

Ward, D.B. 1979. Rare and Endangered Biota of Florida Volume 5: Plants. Gainseville, FL: University Presses of Florida.

Wunderlin, R.P. 1998. Guide to the vascular plants of Florida. Gainesville, Florida: University Press of Florida. 806p.

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

(2002). Atlas of Florida Vascular Plants. [Web site] University of South Florida Institute for Systematic Botany. http://www.plantatlas.usf.edu/isb/default.htm. Accessed: 2008.

Journal Articles

Monachino, J.; Leonard, E.C. 1959. A new species of Justicia from Florida. Rhodora. 61, 727: 183-187.

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

USFWS. 1988. Listing Protection is Proposed for Eight Vulnerable Species. Endangered Species Technical Bulletin. 13, 9-10: 1, 6-?.

USFWS. 1988. Proposed Endangered Status for Two Florida Plants. Federal Register. 53, 176: 35215-35219.

USFWS. 1993. Endangered status for four Florida plants. Federal Register. 54, 143: 31190-31196.

Magazine Articles

2000. Suncoast Parkway: Year-end summary. Sierra Sun (The Sierra Club, Florida Chapter, Suncoast Group: 25. 1. 4-5.

Reports

Blanchard, J. 1995. Final Report on Ardisia crenata Control in a Justicia cooleyi Population at Withlacoochee State Forest. Tallahassee, Florida: Florida Division of Forestry: Statewide Endangered and Threatened Plant Conservation Program.

Kral, R. 1983. A report on some rare, threatened or endangered forest related vascular plants of the south. Atlanta, GA: U.S. Forest Service. p.718. USFS technical publication R8-TP2, . Vol. 1.

Kral, R. 1983. A report on some rare, threatened, or endangered forest-related vascular plants of the South. Athens, GA: U.S. Dept. of Agriculture Forest Service. p.1305. U.S. Dept. of Agriculture Forest Service Technical.

Landry, S.. 1995. Monitoring Plan for Justicia cooleyi at the USDA Plant Materials Center, Hernando County, Florida. Tallahassee, Florida: Florida Division of Forestry: Statewide Endangered and Threatened Plant Conservation Program.

USFWS. 1994. Recovery Plan for Brooksville Bellflower (Campanula robinsiae) and Cooley's water-willow (Justica cooleyi). Jacksonville, Florida: U.S. Fish and Wildlife Service. p.40.


  This profile was updated on 3/4/2010
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