Difference between revisions of "Helianthus angustifolius"
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==Ecology== | ==Ecology== | ||
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+ | ===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | ||
+ | Generally, this species is found in savannas, marshes, ditches, and other wet habitats.<ref name= "Weakley"/> | ||
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===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/ --> | ||
− | ''H. angustifolius'' has been observed flowering in July, and September to November.<ref>Nelson, G. [http://www.gilnelson.com/ 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</ref> | + | ''H. angustifolius'' has been observed flowering in July, and September to November.<ref>Nelson, G. [http://www.gilnelson.com/ 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</ref> It is considered very showy along roadsides when it is in flower, especially in October.<ref name= "Weakley"/> |
===Seed dispersal=== | ===Seed dispersal=== |
Revision as of 08:31, 21 May 2019
Helianthus angustifolius | |
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Photo taken by Kevin Robertson | |
Scientific classification | |
Kingdom: | Plantae |
Division: | Tracheophyta- Vascular plants |
Class: | Magnoliopsida - Dicotyledons |
Order: | Ericales |
Family: | Ericaceae |
Genus: | Helianthus |
Species: | H. angustifolius |
Binomial name | |
Helianthus angustifolius L. | |
Natural range of Helianthus angustifolius from USDA NRCS Plants Database. |
Common names: swamp sunflower; swamp sneezeweed; narrowleaf sunflower
Contents
Taxonomic notes
Synonyms: Helianthus angustifolius L. var. angustifolius; H. angustifolius L. var. planifolius Fernald
Description
A description of Helianthus angustifolius is provided in The Flora of North America.
Distribution
Helianthus angustifolius is mostly found along the southeastern coastal plain, but is distributed from Long Island, New York south to central peninsular Florida and west to Texas, as well as irregularly inland up to Ohio, Missouri, and Indiana.[1]
Ecology
Habitat
Generally, this species is found in savannas, marshes, ditches, and other wet habitats.[2]
Phenology
H. angustifolius has been observed flowering in July, and September to November.[3] It is considered very showy along roadsides when it is in flower, especially in October.[2]
Seed dispersal
This species is thought to be dispersed by wind. [4]
Conservation and management
Cultivation and restoration
Photo Gallery
References and notes
- ↑ Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
- ↑ 2.0 2.1 Cite error: Invalid
<ref>
tag; no text was provided for refs namedWeakley
- ↑ 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
- ↑ 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.