Difference between revisions of "Asclepias tuberosa"

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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.-->
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''A. tuberosa'' occurs in roadbanks, dry forests, sandhills, woodland margins, roadsides, pastures, hardwood hammocks yellow sand sandhill savannas, and scrub.<ref name="Weakley 2015"/><ref name="Iannotti & Bridges 2017"/><ref name="Bridges 2017">Observation by Edwin Bridges in Lake Wales Ridge Wildlife and Environmental Area, Carter Creek Tract, Highlands County, FL, August 26,2017, posted to Florida Flora and Ecosystematics Facebook Group August 26, 2017.</ref><ref name="Reynolds 2016">Observation by Mark Reynolds in Charlotte County, FL, April 2, 2016, posted to Florida Flora and Ecosystematics Facebook Group April 2, 2016.</ref><ref name="Songer 2015">Observation by Kevin Songer in Lee County, FL, November 2, 2015, posted to Florida Flora and Ecosystematics Facebook Group November 2,2015.</ref> In southern Iowa and northern Missouri grasslands, densities were 0.3 flowering ramets Dm<sup>-2</sup>.<ref name="Moranz et al 2012">Moranz RA, Debinski DM, McGranahan DA, Engle DM, Miller JR (2012) Untangling the effects of fire, grazing, and land-use legacies on grassland butterfly communities. Biodiversity and Conservation 21(11):2719-2746.</ref>
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''A. tuberosa'' occurs in roadbanks, dry forests, sandhills, woodland margins, roadsides, pastures, hardwood hammocks yellow sand sandhill savannas, and scrub.<ref name="Weakley 2015"/><ref name="Iannotti & Bridges 2017"/><ref name="Bridges 2017">Observation by Edwin Bridges in Lake Wales Ridge Wildlife and Environmental Area, Carter Creek Tract, Highlands County, FL, August 26,2017, posted to Florida Flora and Ecosystematics Facebook Group August 26, 2017.</ref><ref name="Reynolds 2016">Observation by Mark Reynolds in Charlotte County, FL, April 2, 2016, posted to Florida Flora and Ecosystematics Facebook Group April 2, 2016.</ref><ref name="Songer 2015">Observation by Kevin Songer in Lee County, FL, November 2, 2015, posted to Florida Flora and Ecosystematics Facebook Group November 2,2015.</ref> It has been observed growing on dry coarse sandy soils, dry rocky soil, gravel, and peaty/silty soil.<ref name= "Herbarium">Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: March 2019. Collectors: Morris Adams, W. P. Adams, Nancy Allen, Loran C. Anderson, Raymond Athey, L. Baltzell, Adrian Bambini, Elizabeth Ann Bartholomew, C. R. Bell, James Bennett, Bunny Bergin, Kurt E. Blum, R. Buchanan, Kathy Craddock Burks, Michael Cartrett, Dorothy Cladin, Andre F. Clewell, Chris Cooksey, Cyrus Darling, Mr. H. A. Davis, Mrs. H. A. Davis, Jack P. Davis, M. Davis, Delzie Demaree, Robert Doren, Patricia Elliot, S. Ferguson, Tiffani Floyd, William T. Gillis, Robert K. Godfrey, S. J. Grant, H. E. Grelen, Norlan C. Henderson, Violet Hicks, D. C. Hunt, C. Jackson, S. B. Jones, Samuel B. Jones, Jr., Lisa Keppner, Gary R. Knight, R. Komarek, Robert Kral, Elmo Law, Robert L. Lazor, John F. Logue, Alpha Mae Looney, Sidney McDaniel, Richard S. Mitchell, K. Mori, Sydney Morthland, R. A. Norris, Bill Price, Elmer C. Prichard, Gwynn W. Ramsey, P. L. Redfearn, Jr., Don Reynolds, Cecil R. Slaughter, Dan Smalley, Michelle Marie Smith, R. R. Smith, Shelly Sparks,  Steve Stafford, R. Stastny, Donald E. Stone, H. Larry E. Stripling, H. Sumanth, E. Laurence Thurston, Mike Turner, D. B. Ward, S. S. Ward, R. L. Wilbur, Lovett Williams, Jr., Mary Margaret Williams, Dale Wilson, Edgar T. Wherry, Virginia Whitman, and D. R. Windler. States and Counties: Florida: Calhoun, Charlotte, Collier, Dade, De Soto, Duval, Franklin, Gadsden, Hamilton, Hernando, Highlands, Hillsborough, Jackson, Jefferson, Lafayette, Leon, Levy, Liberty, Madison, Manatee, Marion, Okaloosa, Orange, Osceola, Pasco, Polk, Putnam, Seminole, Taylor, Volusia, Wakulla, and Washington. Georgia: Bulloch, Grady, Harris, McIntosh, and Thomas. Alabama: Geneva, Lowndes, Pickens, and Sumter. Kentucky: Christian and Livingston. Maryland: Baltimore. Tennessee: Grundy and Montgomery. Kansas: Cowley, Franklin, and Woodson. Missouri: Barry, Cass, Chariton, Dallas, Jackson, Ozark, Polk, and Webster. Arkansas: Garland, Saline, Washington, and Yell. Louisiana: Ouachita. West Virginia: Grant and Wirt. Texas: Callahan, Freestone, and Van Zandt. North Carolina: Alexander, Buncombe, Catawba, Granville, Jackson, Jones, Macon, Martin, and Surry. Mississippi: Carroll, Jackson, Kemper, and Yazoo. Indiana: Knox and Kosciusko. South Carolina: Allendale and Lancaster. New Jersey: Gloucester. Virginia: Giles. Pennsylvania: Delaware.</ref> In southern Iowa and northern Missouri grasslands, densities were 0.3 flowering ramets Dm<sup>-2</sup>.<ref name="Moranz et al 2012">Moranz RA, Debinski DM, McGranahan DA, Engle DM, Miller JR (2012) Untangling the effects of fire, grazing, and land-use legacies on grassland butterfly communities. Biodiversity and Conservation 21(11):2719-2746.</ref>
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Associated species: ''Pinus palustris'', ''Liatris'' sp., ''Panicum'' sp., ''Leptoloma cognatum'', ''Imperata cylindrica'', and ''Diospyros virginiana''.<ref name= "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 10:59, 22 March 2019

Asclepias tuberosa
Asclepias tuberosa AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Gentianales
Family: Asclepiadacea
Genus: Asclepias
Species: A. tuberosa
Binomial name
Asclepias tuberosa
(L) Brittonex Vail
ASCL TUBE DIST.JPG
Natural range of Asclepias tuberosa from USDA NRCS Plants Database.

Common Names: midwestern butterfly-weed; sandhills butterfly-weed; common butterfly-weed;[1] butterfly milkweed; Rolfs' milkweed;[2] orange milkweed; pleurisy root; chigger flower[3]

Taxonomic Notes

Synonyms: A. tuberosa Linnaeus ssp. interior Woodson; A. tuberosa Linnaeus ssp. rolfsii (Britton ex Vail) Woodson; A. rolfsii Britton ex Vail; A. tuberosa Linnaeus ssp. tuberosa; A. decumbens Linnaeus

Varieties: A. tuberosa Linnaeus var. interior (Woodson) Shinners; A. tuberosa Linnaeus var. rolfsii (Britton ex Vail) Shinners; A. tuberosa Linnaeus var. tuberosa

Description

Asclepias tuberosa is a dioecious perennial forb/herb.[2] It is bushy and grows to 30-60 cm in height. Leaves are alternate, pointed, smooth on the edge, and 1.50-2.25 in (3.81-5.72 cm) long. Flat-topped clusters 2-5 in (5.1-12.7 cm) diameter contain flowers,[3] which range from a yellow to yellowish orange or a deep-orange to reddish.[1][3] Each cluster contains 88-94 flowers when grown in Michigan, but 79-87 when brought into and grown in a greenhouse.[4] Despite its common name, milkweed, it has no milky sap.[3]

Distribution

This species is found from Quebec and Maine, westward to Ontario and Minnesota, southwestward to South Dakota, Colorado, Utah, Arizona, and California, and southward to central Texas, the Gulf Coast, and peninsular Florida.[2]

Ecology

Habitat

A. tuberosa occurs in roadbanks, dry forests, sandhills, woodland margins, roadsides, pastures, hardwood hammocks yellow sand sandhill savannas, and scrub.[1][5][6][7][8] It has been observed growing on dry coarse sandy soils, dry rocky soil, gravel, and peaty/silty soil.[9] In southern Iowa and northern Missouri grasslands, densities were 0.3 flowering ramets Dm-2.[10]

Associated species: Pinus palustris, Liatris sp., Panicum sp., Leptoloma cognatum, Imperata cylindrica, and Diospyros virginiana.[9]

Phenology

In the southeastern and mid-Atlantic United States, A. tuberosa has been observed to flower from April through November with peak inflorescence in May, and fruits from August through September.[11][1] As well, in North Port[5] and Walton County,[12] Florida, flowers have been observed blooming in April. Daylengths and cold storage lengths interact to influence the number of shoots, flowers, and length of time it takes for A. tuberosa to reach market stage.[4]

Seed dispersal

This species is thought to be dispersed by wind. [13]

Seed bank and germination

Seed size is negatively correlated with A. tuberosa growth rates.[14]

Fire ecology

In a Minnesota oak savanna, fire frequency of 2-19 burns from 1964-1984 showed no effect on the percent coverage of A. tuberosa.[15] Similarly, flowering of A. tuberosa in an Iowa prairie was uneffected by April burning.[16]

Pollination

This species is of special value to bumble bees, honey bees, and native bees and can attract butterflies and hummingbirds as well.[3] In Arizona, the most important pollinators for A. tuberosa were Bombus sonorus, Apis mellifera, and small-sized bees. However, the presence of pollinators and their dominance varied between each year of the two year study. Other pollinators observed include Battus philenor, small-sized Lepidoptera (i.e. Hesperiidae, Nymphalidae, Pieridae), medium-sized Lepidoptera (i.e. Hesperiidae, Lycaenidae, Nymphalidae, Pieridae), medium sized bees (i.e. Anthophoridae, Megachilidae), and Archilochus alexandri.[17] The Gulf fritillary (Agraulis vanillae) has also been reported as a pollinator for A. tuberosa.[12]

Use by animals

This species composes 2-5% of the diet of some large mammals and terrestrial birds.[18] Humans will often utilize this plant in home gardens because of its color and ability to attract butterflies. Native Americans also used to chew the root as a cure for pleurisy or other pulmonary ailments. However, consuming larger quantities of any part of the plant can be toxic.[3]

Conservation and Management

Cultivation and restoration

A. tuberosa can be propagated via seeds or root cuttings. Root propagation can be performed in the fall by cutting the taproot into 2 in (5.1 cm) sections and planting each section vertically while keeping the soil moist.[3]

Photo Gallery

References and notes

  1. ↑ 1.0 1.1 1.2 1.3 Weakley AS (2015) Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC: University of North Carolina Herbarium.
  2. ↑ 2.0 2.1 2.2 USDA NRCS (2016) The PLANTS Database (http://plants.usda.gov, 13 February 2018). National Plant Data Team, Greensboro, NC 27401-4901 USA.
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Plant database: Asclepias tuberosa. (13 February 2018) Lady Bird Johnson Wildflower Center. URL: https://www.wildflower.org/plants/result.php?id_plant=ASTU
  4. ↑ 4.0 4.1 Albrecht ML, Lehmann JT (1991) Daylength, cold storage, and plant-production method influence growth and flowering of Asclepias tuberosa. HortScience 26(2):120-121.
  5. ↑ 5.0 5.1 Observation by David Iannotti and identification by Edwin Bridges in North Port, Florida, April 16, 2017, posted to Florida Flora and Ecosystematics Facebook Group April 16, 2017.
  6. ↑ Observation by Edwin Bridges in Lake Wales Ridge Wildlife and Environmental Area, Carter Creek Tract, Highlands County, FL, August 26,2017, posted to Florida Flora and Ecosystematics Facebook Group August 26, 2017.
  7. ↑ Observation by Mark Reynolds in Charlotte County, FL, April 2, 2016, posted to Florida Flora and Ecosystematics Facebook Group April 2, 2016.
  8. ↑ Observation by Kevin Songer in Lee County, FL, November 2, 2015, posted to Florida Flora and Ecosystematics Facebook Group November 2,2015.
  9. ↑ 9.0 9.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: March 2019. Collectors: Morris Adams, W. P. Adams, Nancy Allen, Loran C. Anderson, Raymond Athey, L. Baltzell, Adrian Bambini, Elizabeth Ann Bartholomew, C. R. Bell, James Bennett, Bunny Bergin, Kurt E. Blum, R. Buchanan, Kathy Craddock Burks, Michael Cartrett, Dorothy Cladin, Andre F. Clewell, Chris Cooksey, Cyrus Darling, Mr. H. A. Davis, Mrs. H. A. Davis, Jack P. Davis, M. Davis, Delzie Demaree, Robert Doren, Patricia Elliot, S. Ferguson, Tiffani Floyd, William T. Gillis, Robert K. Godfrey, S. J. Grant, H. E. Grelen, Norlan C. Henderson, Violet Hicks, D. C. Hunt, C. Jackson, S. B. Jones, Samuel B. Jones, Jr., Lisa Keppner, Gary R. Knight, R. Komarek, Robert Kral, Elmo Law, Robert L. Lazor, John F. Logue, Alpha Mae Looney, Sidney McDaniel, Richard S. Mitchell, K. Mori, Sydney Morthland, R. A. Norris, Bill Price, Elmer C. Prichard, Gwynn W. Ramsey, P. L. Redfearn, Jr., Don Reynolds, Cecil R. Slaughter, Dan Smalley, Michelle Marie Smith, R. R. Smith, Shelly Sparks, Steve Stafford, R. Stastny, Donald E. Stone, H. Larry E. Stripling, H. Sumanth, E. Laurence Thurston, Mike Turner, D. B. Ward, S. S. Ward, R. L. Wilbur, Lovett Williams, Jr., Mary Margaret Williams, Dale Wilson, Edgar T. Wherry, Virginia Whitman, and D. R. Windler. States and Counties: Florida: Calhoun, Charlotte, Collier, Dade, De Soto, Duval, Franklin, Gadsden, Hamilton, Hernando, Highlands, Hillsborough, Jackson, Jefferson, Lafayette, Leon, Levy, Liberty, Madison, Manatee, Marion, Okaloosa, Orange, Osceola, Pasco, Polk, Putnam, Seminole, Taylor, Volusia, Wakulla, and Washington. Georgia: Bulloch, Grady, Harris, McIntosh, and Thomas. Alabama: Geneva, Lowndes, Pickens, and Sumter. Kentucky: Christian and Livingston. Maryland: Baltimore. Tennessee: Grundy and Montgomery. Kansas: Cowley, Franklin, and Woodson. Missouri: Barry, Cass, Chariton, Dallas, Jackson, Ozark, Polk, and Webster. Arkansas: Garland, Saline, Washington, and Yell. Louisiana: Ouachita. West Virginia: Grant and Wirt. Texas: Callahan, Freestone, and Van Zandt. North Carolina: Alexander, Buncombe, Catawba, Granville, Jackson, Jones, Macon, Martin, and Surry. Mississippi: Carroll, Jackson, Kemper, and Yazoo. Indiana: Knox and Kosciusko. South Carolina: Allendale and Lancaster. New Jersey: Gloucester. Virginia: Giles. Pennsylvania: Delaware.
  10. ↑ Moranz RA, Debinski DM, McGranahan DA, Engle DM, Miller JR (2012) Untangling the effects of fire, grazing, and land-use legacies on grassland butterfly communities. Biodiversity and Conservation 21(11):2719-2746.
  11. ↑ Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 22 MAR 2019
  12. ↑ 12.0 12.1 Observation by Floyd Griffith in Walton County, FL, April 30, 2017, posted to Florida Flora and Ecosystematics Facebook Group May 1, 2017. Cite error: Invalid <ref> tag; name "Griffith 2017" defined multiple times with different content
  13. ↑ Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.
  14. ↑ Gleeson SK, Tilman D (1994) Plant allocation, growth rate and successional status. Functional Ecology 8:543-550.
  15. ↑ Tester JR (1996) Effects of fire frequency on plant species in oak savanna in east-central Minnesota. Bulletin of the Torrey Botanical Club 123(4):304-308.
  16. ↑ Richards MS, Landers RQ (1973) Responses of species in Kalsow prairie, Iowa, to an April fire. Proceedings of the Iowa Academy of Science 80:159-161.
  17. ↑ Fishbein M, Venable DL (1996) Diversity and temporal change in the effective pollinators of Asclepias tuberosa. Ecology 77(4):1061-1073.
  18. ↑ Miller JH, Miller KV (1999) Forest plants of the southeast and their wildlife uses. Southern Weed Science Society.
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