Helianthus angustifolius

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Helianthus angustifolius
Helianthus angustifolius Scrub Course 2015-10 (2).JPG
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.
Heli angu dist.jpg
Natural range of Helianthus angustifolius from USDA NRCS Plants Database.

Common names: swamp sunflower; swamp sneezeweed; narrowleaf sunflower

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

Phenology

H. angustifolius has been observed flowering in July, and September to November.[2]

Seed dispersal

This species is thought to be dispersed by wind. [3]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  2. 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
  3. 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 Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.