Data mode


Sign up

Copy permalink to share

Helianthus decapetalus Linnaeus. Forest Sunflower. Phen: Jul-Oct. Hab: Mesic woodlands and forests, oak savannas. Dist: ME and QC west to WI and IA, south to GA and MO.

Origin/Endemic status: Native

Synonymy: = C, FNA21, G, Il, K1, K3, K4, Mi, NE, NY, Oh3, Pa, RAB, S, SE1, Tat, Tn, Va, W; > Helianthus arenicola E.Watson; > Helianthus decapetalus L. – F, WV; > Helianthus leoninus E.Watson; > Helianthus saxicola Small – S; > Helianthus trachelifolius Mill. – F, WV

Show in key(s)

Show parent genus

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: UPL
  • Eastern Mountains and Piedmont: FACU
  • Midwest: UPL
  • Northcentral & Northeast: FACU

Heliophily ?: 7

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷


See something wrong or missing on about Helianthus decapetalus? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.

Cite as...