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Helianthus heterophyllus Nuttall. Common name: Savanna Sunflower. Phenology: Aug-Oct. Habitat: Wet pine savannas, seepage bogs. Distribution: A Southeastern Coastal Plain endemic: se. NC south to Panhandle FL and west to se. LA.

Origin/Endemic status: Endemic

Synonymy ⓘ: = Fl7, FNA21, GW2, K4, RAB, S, SE1, WH3. Basionym: Helianthus heterophyllus Nutt. 1834

Links to other floras: = Helianthus heterophyllus - FNA21

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Great Plains: OBL

Heliophily ⓘ: 9

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image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

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Height: 4 ft.

plant sale text: Native to wet savannas and seepage bogs in the coastal plain, savanna sunflower has lovely yellow flowers with brown centers. Its stems are nearly leafless, and similar to swamp sunflower (Helianthus angustifolius), it spreads by underground rhizomes. Savanna sunflower is a good source of nectar for butterflies, and many birds enjoy eating its seeds.

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