Difference between revisions of "Helianthus heterophyllus"
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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.--> | ||
| − | ''H. heterophyllus'' tends to grow on moist sandy soils at lower elevations | + | ''H. heterophyllus'' tends to grow on moist sandy soils at lower elevations<ref name=fsu>Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Ann F. Johnson, R. Kral, R.K. Godfrey, John Morrill, Jean W. Wooten, Robert A. Norris, Sidney McDaniel, Steve L. Orzell, Edwin L. Bridges, Nancy E. Jordan, Harry E. Ahles, Joseph Ewan, J R Massey, W. Thomas, Victoria I. Sullivan, S. W. Leonard, A. E. Radford, Samuel B. Jones, Jr., O. M. Freeman, Michael B. Brooks, Almut G. Jones, and Robert L. Lazor. States and Counties: Alabama: Baldwin, Conecuh, and Mobile. Florida: Bay, Calhoun, Escambia, Franklin, Gulf, Jefferson, Leon, Liberty, Santa Rosa, Wakulla, and Washington. Louisiana: St Tammany and Washington. Mississippi: Forrest, Harrison, and Jackson. North Carolina: Columbus and Robeson. South Carolina: Horry.</ref>. It is commonly found on sand, loamy sand, sandy peat, sandy clay, and Lynchburg soils (Aeric Paleaquults). It can be found in natural communities such as wiregrass savannas, pine flatwoods, grass-sedge bogs, low hillside seepage bogs with wiregrass and ''Sarracenia'', ''Sphagnum'' ditches, and pine-saw palmetto flatwoods. This species also occurs in disturbed habitat including roadsides, ditches, disturbed pineland, old fields, pine plantations, and clobbered pine fields. Associated species include ''Pinus palutris, Aristida stricta, Sarracenia, Pinus elliottii, Serenoa repens, Helianthus radula, Bigelowia, Liatris, Marshallia, Eupatorium, Diodia virginiana, Euthamia minor, Pteridium aquilnum, Solidago fistulosa,'' and ''Agalinis fasciulata''<ref name=fsu/>. |
===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 13:27, 3 May 2016
| Helianthus heterophyllus | |
|---|---|
| |
| Photo was taken by Gil Nelson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Asterales |
| Family: | Asteraceae ⁄ Compositae |
| Genus: | Helianthus |
| Species: | H. heterophyllus |
| Binomial name | |
| Helianthus heterophyllus Nutt. | |
| |
| Natural range of Helianthus heterophyllus from USDA NRCS Plants Database. | |
Common name: variableleaf sunflower
Contents
Taxonomic notes
Description
A description of Helianthus heterophyllus is provided in The Flora of North America.
Helianthus heterophyllus is a perennial herbaceous species.
Distribution
Ecology
Habitat
H. heterophyllus tends to grow on moist sandy soils at lower elevations[1]. It is commonly found on sand, loamy sand, sandy peat, sandy clay, and Lynchburg soils (Aeric Paleaquults). It can be found in natural communities such as wiregrass savannas, pine flatwoods, grass-sedge bogs, low hillside seepage bogs with wiregrass and Sarracenia, Sphagnum ditches, and pine-saw palmetto flatwoods. This species also occurs in disturbed habitat including roadsides, ditches, disturbed pineland, old fields, pine plantations, and clobbered pine fields. Associated species include Pinus palutris, Aristida stricta, Sarracenia, Pinus elliottii, Serenoa repens, Helianthus radula, Bigelowia, Liatris, Marshallia, Eupatorium, Diodia virginiana, Euthamia minor, Pteridium aquilnum, Solidago fistulosa, and Agalinis fasciulata[1].
Phenology
Flowering has been observed in July, September, October, and December (FSU Herbarium).
Fire ecology
This species occurs in habitat that is maintained by fire (FSU Herbarium).
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, Wilson Baker, Ann F. Johnson, R. Kral, R.K. Godfrey, John Morrill, Jean W. Wooten, Robert A. Norris, Sidney McDaniel, Steve L. Orzell, Edwin L. Bridges, Nancy E. Jordan, Harry E. Ahles, Joseph Ewan, J R Massey, W. Thomas, Victoria I. Sullivan, S. W. Leonard, A. E. Radford, Samuel B. Jones, Jr., O. M. Freeman, Michael B. Brooks, Almut G. Jones, and Robert L. Lazor. States and Counties: Alabama: Baldwin, Conecuh, and Mobile. Florida: Bay, Calhoun, Escambia, Franklin, Gulf, Jefferson, Leon, Liberty, Santa Rosa, Wakulla, and Washington. Louisiana: St Tammany and Washington. Mississippi: Forrest, Harrison, and Jackson. North Carolina: Columbus and Robeson. South Carolina: Horry.
- ↑ 1.0 1.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Ann F. Johnson, R. Kral, R.K. Godfrey, John Morrill, Jean W. Wooten, Robert A. Norris, Sidney McDaniel, Steve L. Orzell, Edwin L. Bridges, Nancy E. Jordan, Harry E. Ahles, Joseph Ewan, J R Massey, W. Thomas, Victoria I. Sullivan, S. W. Leonard, A. E. Radford, Samuel B. Jones, Jr., O. M. Freeman, Michael B. Brooks, Almut G. Jones, and Robert L. Lazor. States and Counties: Alabama: Baldwin, Conecuh, and Mobile. Florida: Bay, Calhoun, Escambia, Franklin, Gulf, Jefferson, Leon, Liberty, Santa Rosa, Wakulla, and Washington. Louisiana: St Tammany and Washington. Mississippi: Forrest, Harrison, and Jackson. North Carolina: Columbus and Robeson. South Carolina: Horry.
