Difference between revisions of "Galactia volubilis"

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==Ecology==
 
==Ecology==
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
This species is found in mixed hardwood forests, pinewoods, shrub and herb dominated communities, old fields, ravine dissected areas, dry pocosins, flatwoods, creek banks and savannahs (FSU Herbarium). It has been observed to grow in dry and moist sandy loam in open areas with full sunlight (FSU Herbarium). ''G. volubilis'' has also been seen growing in areas disturbed by humans such as bulldozed scrub sandhills, along roadsides, cleared sites, and clear cut longleaf pine-scrub habitats (FSU Herbarium).
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This species is found in mixed hardwood forests, pinewoods, shrub and herb dominated communities, old fields, ravine dissected areas, dry pocosins, flatwoods, creek banks and savannahs (FSU Herbarium). It has been observed to grow in dry and moist sandy loam in open areas with full sunlight (FSU Herbarium). ''G. volubilis'' has also been seen growing in areas disturbed by humans such as bulldozed scrub sandhills, along roadsides, cleared sites, and clear cut longleaf pine-scrub habitats (FSU Herbarium). Associated species include ''Desmodium ochrolecum, D. rotundifolium, Rhus aromatica, Centrosema'' species, ''Paspalum'' species, ''Fagus'' species, ''Carya tomentosa, Pinus palustris, Pinus elliottii, Quercus laurifolia, Quercus virginiana, Quercus laevis, Sabal palmetto, Magnolia ashei, Aristida stricta. Galactia regularis, Rhynchosia difformis, Setaria, Phlox,'' and ''Cuphea''. Also includes Broomsage and Silver palm (FSU Herbarium).
 
 
Associated species include ''Desmodium ochrolecum, D. rotundifolium, Rhus aromatica, Centrosema'' species, ''Paspalum'' species, ''Fagus'' species, ''Carya tomentosa, Pinus palustris, Pinus elliottii, Quercus laurifolia, Quercus virginiana, Quercus falcata, , Sabal palmetto, Magnolia ashei, Aristida stricta. Galactia regularis, Rhynchosia difformis, Setaria, Phlox,'' and ''Cuphea''. Also includes Broomsage and Silver palm (FSU Herbarium).
 
  
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->

Revision as of 15:52, 14 December 2015

Galactia volubilis
Gala volu.jpg
Photo by John R. Gwaltney, Southeastern Flora.com
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Fabales
Family: Fabaceae ⁄ Leguminosae
Genus: Galactia
Species: G. volubilis
Binomial name
Galactia volubilis
(L.) Britton
GALA VOLU dist.jpg
Natural range of Galactia volubilis from USDA NRCS Plants Database.

Common name: downy milkpea

Taxonomic notes

Description

This species is a climbing vine with twining behavior (FSU Herbarium).

Distribution

“…occurring in sandy soils from New York to Florida westward to Tennessee and Texas.”[1]

Ecology

Habitat

This species is found in mixed hardwood forests, pinewoods, shrub and herb dominated communities, old fields, ravine dissected areas, dry pocosins, flatwoods, creek banks and savannahs (FSU Herbarium). It has been observed to grow in dry and moist sandy loam in open areas with full sunlight (FSU Herbarium). G. volubilis has also been seen growing in areas disturbed by humans such as bulldozed scrub sandhills, along roadsides, cleared sites, and clear cut longleaf pine-scrub habitats (FSU Herbarium). Associated species include Desmodium ochrolecum, D. rotundifolium, Rhus aromatica, Centrosema species, Paspalum species, Fagus species, Carya tomentosa, Pinus palustris, Pinus elliottii, Quercus laurifolia, Quercus virginiana, Quercus laevis, Sabal palmetto, Magnolia ashei, Aristida stricta. Galactia regularis, Rhynchosia difformis, Setaria, Phlox, and Cuphea. Also includes Broomsage and Silver palm (FSU Herbarium).

Phenology

“A lavender-flowered prostrate perennial herb frequently climbing over bushes...It is variable species and varietal forms have been described”[1] This species has been observed to flower from May through September and November and fruiting from May to November (FSU Herbarium).

Seed dispersal

Seed bank and germination

Fire ecology

The amount of G. volubilis decreased after a spring burn, summer burn, and in the control plot[2] “Results from previous studies[3] indicate that leguminous plants and seed respond best to “hot” fires such as those in which a high proportion of the ground fuel is consumed. Laboratory tests[4] have also shown that seed from several leguminous species germinate best after scarification with moist heat at temperatures near 80 degrees C., a situation requiring a hot fire. The response of the leguminous plants and seed in this study, therefore, would probably have been greater if the pine stands had been burned with more intense fires. ”[2] G. volubilis had the greatest coverage on the plots burned in January at the loblolly-shortleaf pine communities of the Alabama upper coastal plain.[5] This species has also been found in areas that were excluded from fire (FSU Herbarium).

Pollination

Use by animals

Eastern mourning dove includes G. volubilis in its diet.[1]

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Gary R. Knight, Richard S. Mitchell, R.K. Godfrey, L. M. Baltzell, O. Lakela, J. Ferborgh, Jane Brockmann, R. W. Long, L. J. Brass, H. A. Lang, C. Jackson, A. F. Clewell, R. C. Phillips, R. Kral, M. Davis, Richard R. Clinebell II, R. L. Wilbur, W. B. Fox, R. Komarek, J.M. Kane, Chris Cooksey, Kevin Oakes, Charles S. Wallis, John B. Nelson, and D.E. Kennemore. States and Counties: Florida: Citrus, Dade, Duval, Escambia, Gulf, Franklin, Hardee, Hernando, Hillsborough, Jackson, Jefferson, Leon, Levy, Monroe, St. Lucie, Taylor, and Wakulla. Georgia: Grady, McIntosh, and Thomas. North Carolina: Craven and Cumberland. Oklahoma: Latimer. South Carolina: Orangeburg and Richland.

  1. 1.0 1.1 1.2 Graham, E. H. (1941). Legumes for erosion control and wildlife. Washington, USDA
  2. 2.0 2.1 Cushwa, C. T., M. Hopkins, et al. (1970). Response of legumes to prescribed burns in loblolly pine stands of the South Carolina Piedmont. Asheville, NC, USDA Forest Service, Research Note SE-140: 6.
  3. Cushwa, C. T., Czuhai, Eugene, Cooper, R. W., and Julian, W. H. 1969. Burning clearcut openings in Loblolly pine to improve wildlife habitat. Ga. Forest Res. Count. Res. Pap. 61, 5 pp. Cushwa, C. T. and Redd, J. B. 1966. One prescribed burn and its effects on habitat of the Powhatan Game Management Area. Southeast. Forest Exp. %a., U. S. Forest Serv. Res. Note SE-61, 2 pp.
  4. Cushwa, C. T., Martin, R. E., and Miller, R. L. 1968. The effects of fire on seed germination. J. Range Manage. 21: 250-254. M a r t i n , R . E., a n d C u s h w a , C . T. 1966. Effects of heat and moisture on leguminous seed. Fifth Annu. Tall Timbers Fire Ecol. Conf. Proc. 1966: 159-175.
  5. Moore, W. H. (1958). "Effects of certain prescribed fire treatments on the distribution of some herbaceous quail food plants in loblolly-shortleaf pine communities of the Alabama upper coastal plain." Proceedings of the Annual Conference of the Southeastern Association of Game and Fish Commissioners 11: 349-351.