Scutellaria floridana - Chapman
Florida Skullcap
Other Common Names: Florida skullcap
Taxonomic Status: Accepted
Related ITIS Name(s): Scutellaria floridana Chapman (TSN 32797)
Unique Identifier: ELEMENT_GLOBAL.2.139891
Element Code: PDLAM1U0H0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mint Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Lamiales Lamiaceae Scutellaria
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Scutellaria floridana
Taxonomic Comments: The rarest of several southeastern species in this genus.
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 10Oct2003
Global Status Last Changed: 10Oct2003
Rounded Global Status: G2 - Imperiled
Reasons: A very restricted range in the Florida panhandle - Liberty, Franklin, and Gulf counties, Florida. Most of the recently confirmed populations are protected on the Apalachicola NF; populations on private land (largely St. Joe Paper Co. lands) are mostly destroyed. Habitat is decreasing in quality and extent due to conversion to improved pasture, drainage, and clearcutting.
Nation: United States
National Status: N2

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Florida (S2)

Other Statuses

U.S. Endangered Species Act (USESA): LT: Listed threatened (08May1992)
U.S. Fish & Wildlife Service Lead Region: R4 - Southeast

NatureServe Global Conservation Status Factors

Range Extent Comments: Known from the Apalachicola region of the Florida panhandle from Liberty, Franklin and Gulf counties.

Number of Occurrences: 21 - 80
Number of Occurrences Comments: Based on recent surveys within range and habitat of the species.

Overall Threat Impact Comments: The primary threat to this species is habitat loss/degradation as a result of conversion to pine plantations and/or pasture. Establishment of pine plantations often leads to changes in the habitat that Scutellaria floridana cannot withstand after the first few years, including changes to drainage, crowding by introduced grasses, and shading due to fire suppression. Use of ORVs occurs in nearby habitats and could affect unprotected S. floridana populations

Intrinsic Vulnerability Comments: Reported to respond positively to fire by sprouting and blooming. They stop flowering if not burned at least once every three years.
Pollinator visits were infrequent in one study that examined who and when pollinators visited Scutellaria floridana. In addition, native bees were the primary pollinator, and factors that effect bee density could affect S. floridana density.

Environmental Specificity Comments: Restricted to the Gulf lowlands of the Apalachicola River.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Known from the Apalachicola region of the Florida panhandle from Liberty, Franklin and Gulf counties.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States FL

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
FL Bay (12005), Franklin (12037), Gulf (12045), Liberty (12077)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Apalachicola (03130011)+, Chipola (03130012)+, New (03130013)+, Apalachicola Bay (03130014)+, St. Andrew-St. Joseph Bays (03140101)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A perennial herb, up to 4 dm tall. Stems are solitary or few, mostly erect or ascending. Leaves are opposite, narrowly linear, 2-4 mm long, the margins strongly rolled. Flowers are solitary in the axils of leaves and are bright lavender-blue with a whitish throat. (Based on Kral 1983.)
Palustrine Habitat(s): FORESTED WETLAND, HERBACEOUS WETLAND, SCRUB-SHRUB WETLAND
Habitat Comments: Dark, humus rich sands of pine-palmetto flatwoods, wet prairies, and savannahs. (Based on Kral 1983) Seepage slopes.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation
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Group Name: Endemic species of Apalachicola river lowlands-EOSPECS

Minimum Criteria for an Occurrence: Any naturally occurring population of 3 or more individuals
Separation Barriers: Barriers for this species include dense shrub thickets, pine plantations, fire-suppressed flatwoods, developed areas.
Separation Distance for Unsuitable Habitat: 1 km
Separation Distance for Suitable Habitat: 1 km
Alternate Separation Procedure: N/A
Date: 19Sep2003
Author: Norden, A.H. and L.G. Chafin
Population/Occurrence Viability
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Justification: Use the Generic Guidelines for the Application of Occurrence Ranks (2008).
The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.

Key for Ranking Species Element Occurrences Using the Generic Approach (2008).
U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 27Dec1988
NatureServe Conservation Status Factors Author: Hardin, E.D., rev. C. Russell; rev. D. White; rev. L.G. Chafin (2002).

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • CLEWELL, ANDRE F. 1985. GUIDE TO THE VASCULAR PLANTS OF THE FLORIDA PANHANDLE. UNIV. PRESSES OF FLORIDA, GAINESVILLE, FL. 605 PP.

  • Clewell, A.F. 1985. Guide to vascular plants of the Florida panhandle. Florida State Univ. Press, Tallahassee, Florida. 605 pp.

  • KRAL, R. 1983.A REPORT ON SOME RARE,THREATENED,OR ENDANGEREDFOREST-RELATED VASCULAR PLANTS OF THE SOUTH.VOL I ISOETACEAETHROUGH EUPHORBIACEAE;VOL II AQUIFOLIACEA THROUGH ASTERACEAE& GLOSSARY.USDA FOREST SERV,SE REG.,ATL,GA. TECH PUBL R8-TP2

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kral, R. 1983c. A report on some rare, threatened, or endangered forest-related vascular plants of the South. U.S. Dept. of Agriculture Forest Service Technical Publication R8-TP2, Athens, GA. 1305 pp.

  • Pitts-Singer, T.L., J.L. Hanula, and J.L. Walker. 2002. Insect pollinators of three rare plants in a Florida longleaf pine forest. Florida Entomologist 85(2):308-316.

  • U.S. Fish and Wildlife Service. 1992. Threatened status for three Florida plants. Federal Register 57(90): 19813-19819.

  • WUNDERLIN, RICHARD P. 1982. GUIDE TO THE VASCULAR PLANTS OF CENTRAL FLORIDA. UNIV. PRESSES OF FLA., TAMPA, ST. PETERSBURG, FT. MEYERS, SARASOTA

  • Wunderlin, R.P. 1982. Guide to the vascular plants of central Florida. Univ. Presses Florida, Gainesville. 472 pp.

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