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
Heli angu dist.jpg
Natural range of Helianthus angustifolius from USDA NRCS Plants Database.

Common names: Swamp sunflower, Swamp sneezeweed

Taxonomic notes

Synonyms: Helianthus angustifolius var. angustifolius; H. angustifolius var. planifolius Fernald


A description of Helianthus angustifolius is provided in The Flora of North America.




H. angustifolius has been observed flowering in July, and September to November.[1]

Seed dispersal

This species is thought to be dispersed by wind. [2]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. 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
  2. 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 Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.