Hartwrightia floridana - Gray ex S. Wats.
Florida Hartwrightia
Other Common Names: Florida hartwrightia
Taxonomic Status: Accepted
Related ITIS Name(s): Hartwrightia floridana A. Gray ex S. Watson (TSN 37585)
Unique Identifier: ELEMENT_GLOBAL.2.130534
Element Code: PDAST4G010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Aster Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Asterales Asteraceae Hartwrightia
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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: Hartwrightia floridana
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 12May2009
Global Status Last Changed: 12May1988
Rounded Global Status: G2 - Imperiled
Reasons: This is a regional endemic, that ranges from northcentral Florida to southeastern Georgia. Few occurrences are adequately protected. The species suffers from a severe loss of habitat due to development, conversion of native habitat to pine plantation, and drainage.
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), Georgia (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Occurs in northcentral Florida, from Highlands and Hardee counties north to Nassau and Baker counties and in three counties in southeastern Georgia (Chafin 2000; Chafin 2007; Patrick et al. 1995).

Number of Occurrences: 21 - 80
Number of Occurrences Comments: In Florida, there are approximately 50 occurrences observed since 1989 and 20 others last observed earlier. However, some of these Florida occurrences may potentially be combined (A. Jenkins, pers. comm. 2009). In Georgia, eight populations are known (Chafin 2007).

Number of Occurrences with Good Viability/Integrity: Some (13-40)
Viability/Integrity Comments: Only 16 occurrences of A or B quality, all of which are in Florida.

Overall Threat Impact: Very high - high
Overall Threat Impact Comments: Threatened by ditching, draining, mechanical site preparation, and lack of fire (Chafin 2000; Chafin 2007).

Long-term Trend:  
Long-term Trend Comments: The habitat of Hartwrightia floridana has been lost through systematic drainage and conversion of land to pine plantation or to improved pasture, and is adversely affected by grazing and canopy closure.

Intrinsic Vulnerability Comments: Probably maintained through fire which would remove competing shrub and grass; especially sensitive to changes in local hydrology.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Occurs in northcentral Florida, from Highlands and Hardee counties north to Nassau and Baker counties and in three counties in southeastern Georgia (Chafin 2000; Chafin 2007; Patrick et al. 1995).

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, GA

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
FL Baker (12003)*, Clay (12019), Hardee (12049)*, Highlands (12055), Lake (12069)*, Marion (12083)*, Nassau (12089), Polk (12105), Putnam (12107)
GA Charlton (13049)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Satilla (03070201)+*, St. Marys (03070204)+, Nassau (03070205)+, Upper St. Johns (03080101)+*, Lower St. Johns (03080103)+, Kissimmee (03090101)+, Western Okeechobee Inflow (03090103)+, Peace (03100101)+, Upper Suwannee (03110201)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: An aromatic, herbaceous perennial. Stems are erect, solitary or few, produced annually, growing 0.8-1.2 m high. Several leaves are produced at the base of the stem in a rosette. There are few stem leaves; these gradually diminish upward. The small flower heads are white to pinkish-lavender, and they lack ray flowers. Blooms late September-November (Ward 1979).
General Description: Hartwrightia floridana is a slender plant up to 1.5 m tall. The basal leaves are elliptic, up to 15 cm long, and are attached by long slender petioles; the stem leaves are alternately arranged, lance-shaped, and much reduced. The numerous flower heads are produced on a much-branched, flat-topped inflorescence that is covered with minute club-shaped scales. These flower heads are comprised of disc flowers that are white to lavender, and 3-3.5 mm long. The fruit is an achene (McCollum and Ettman 1987)
Technical Description: Stems: Solitary or few, erect, branching only in the inflorescence, purplish below, greenish toward middle and above, dotted with glistening small glands. Leaves: Both in rosettes (from overwintering offshoots) and on the stem, the rosette and lower ones largest, the blades oblong, linear-elliptic, to elliptic or oblanceolate, 8-25 cm long, 1-5 cm broad on slender petioles from 1/3 as long to nearly as long, the apices narrowed but rounded, the margins entire, the bases cuneate or attenuate, both surfaces dull green, glabrous, gland-dotted. Stem leaves gradually diminishing upward, alternate, ascending, becoming sessile, linear, grading into scattered inflorescence bracts. Inflorescence: A compound, convex cyme of cymules, the branches arching upward candelabra like, slender but stiff, elongate. Heads several to numerous per cymule, on glandular peduncles from longer than to about as long as the heads. Flowering heads with involucres campanulate, about 4-5 mm high or, with flowers, 7-8 mm high and about 1 cm across. Receptacle naked. Bracts of involucres in nearly 1 series, with a few shorter ones outside, the longest oblong, blunt, entire, greenish, gland-dotted, slightly spreading. Flowers: All discoid, the corollas narrowly bell shaped from a short tube, about 3 mm high, the slightly spreading lobes triangular, the surface gland-dotted, pale lavender to white or pink. Pappus a crown of short, narrow bristles or absent. Fruit: Achenes oblong or narrowly obovoid, 3-4 mm long, sharply few-ribbed with the intervals concave, gland-dotted (Kral 1983).
Diagnostic Characteristics: This species is monotypic, superficially resembling some Eupatoriums, but different in pappus and achene character, in aromatic character, as well as in leaf. As Small (1933) commented, the foliage in general appearance most resembles that of the sea lavender Limonium (Kral 1983).
Duration: PERENNIAL
Reproduction Comments: Flowers in this species are all perfect and fertile (Godfrey & Wooten 1981), while the family as a whole is predominantly outcrossing (although there are many exceptions). Pollinators listed are common for Asteraceae. The seed is a sticky achene without a prominent pappus (Godfrey & Wooten 1981); thus it may be dispersed by exozoochory or myrmechory.
Ecology Comments: Kral (1983) states that he has never observed the species in grazed areas, even where it was "abundant just the other side of a pasture fence."
Palustrine Habitat(s): Bog/fen, FORESTED WETLAND
Terrestrial Habitat(s): Forest/Woodland, Woodland - Mixed
Habitat Comments: Wet, peat-enriched, usually sphagnous substrates, mostly in full sunlight or light shade. Typical habitat is slash pine/longleaf pine - saw palmetto - gallberry - titi flatwoods, pineland swamps or bogs, and acidic seepage areas (Kral 1983).

Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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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: 21Dec1989
NatureServe Conservation Status Factors Author: Hardin, E.D., rev. D.L. White, rev. A. Tomaino (2009)
Element Ecology & Life History Edition Date: 23Nov1994
Element Ecology & Life History Author(s): A. WILDMAN & M. STOVER (TNC-HO)

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
Help
  • Chafin, L. G. 2000. Field guide to the rare plants of Florida. Florida Natural Areas Inventory, Tallahassee. [http://www.fnai.org/FieldGuide/]

  • Chafin, L.G, J.C. Putnam Hancock, and H. Nourse. 2007. Field guide to the rare plants of Georgia. State Botanical Garden of Georgia, Athens, Georgia.

  • Cronquist, A. 1981. An integrated system of classification of flowering plants. Columbia Univ. Press, New York. 1262 pp.

  • Flora of North America Editorial Committee. 2006c. Flora of North America North of Mexico. Vol. 21. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford Univ. Press, New York. xxii + 616 pp.

  • Godfrey, R.K., and J.W. Wooten. 1981. Aquatic and wetland plants of southeastern United States: Dicotyledons. Univ. Georgia Press, Athens. 933 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. 1987. Unpublished plant characterization database information on vascular plant species of the U.S., Canada, and Greenland.

  • 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.

  • McCollum, J.L., and D.R. Ettman. 1987. Georgia's protected plants. Georgia Dept. of Natural Resources, and the U.S. Dept. of Agriculture, Soil Conservation Service, Social Circle, GA. 64 pp.

  • Patrick, T.S., J.R. Allison, and G.A. Krakow. 1995. Protected plants of Georgia: an information manual on plants designated by the State of Georgia as endangered, threatened, rare, or unusual. Georgia Dept. Natural Resources, Wildlife Resources Division, Georgia Natural Heritage Program, Social Circle, Georgia. 218 pp + appendices.

  • RADFORD, A., H. AHLES AND C. BELL. 1968 MANUAL OF THE VASCULAR FLORA OF THE CAROLINAS. THE UNIVERSITY OF NORTH CAROLINA PRESS CHAPEL HILL. 1183 PP + LXI.

  • Radford, A.E., H.E. Ahles, and C. R. Bell. 1968. Manual of the vascular flora of the Carolinas. The University of North Carolina Press, Chapel Hill.

  • Small, J.K. 1933. Manual of the southeastern flora. Two volumes. Hafner Publishing Company, New York.

  • WARD, D.B. (ED). 1979. RARE AND ENDANGERED BIOTA OF FLORIDA, VOLUME 5: PLANTS. UNIVERSITY PRESSES OF FLORIDA, GAINESVILLE.

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

  • Ward, D.B. (ed.). 1979. Rare and endangered biota of Florida, vol.5: Plants. University Presses Florida, Gainesville.

  • Wunderlin, R.P. 1982. Guide to the vascular plants of central Florida. University Presses of Florida, Tampa.

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