Difference between revisions of "Helianthus heterophyllus"
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Common names: Variableleaf sunflower; Wetland sunflower; Savanna sunflower | Common names: Variableleaf sunflower; Wetland sunflower; Savanna sunflower | ||
==Taxonomic notes== | ==Taxonomic notes== | ||
| + | Synonyms: none.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> | ||
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| + | Varieties: none.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> | ||
| + | |||
==Description== | ==Description== | ||
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | <!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | ||
Revision as of 10:33, 16 September 2020
| Helianthus heterophyllus | |
|---|---|
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| 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 names: Variableleaf sunflower; Wetland sunflower; Savanna sunflower
Contents
Taxonomic notes
Synonyms: none.[1]
Varieties: none.[1]
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.[2] 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.[2]
Helianthus heterophyllus is an indicator species for the Lower Panhandle Savannas community type as described in Carr et al. (2010).[3]
Phenology
H. heterophyllus has been observed to flower in January, July, September, October, and December.[2][4]
Fire ecology
This species occurs in habitat that is maintained by fire.[2]
Conservation and management
Cultivation and restoration
Photo Gallery
References and notes
- ↑ 1.0 1.1 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
- ↑ 2.0 2.1 2.2 2.3 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.
- ↑ Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
- ↑ 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: 12 DEC 2016
