Index / Search / Helianthus radula
§1 Plant
Helianthus radula (Pursh) Torr. & A. Gray
vernacular rayless sunflower — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Helianthus
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 77 counties across 6 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 77 counties across 6 states/territories.
Alabama view state ↗ 4 N ▾
Florida view state ↗ 40 N ▾
- Alachua 12001
- Bay 12005
- Bradford 12007
- Calhoun 12013
- Citrus 12017
- Clay 12019
- Collier 12021
- Columbia 12023
- Duval 12031
- Escambia 12033
- Flagler 12035
- Franklin 12037
- Gadsden 12039
- Gilchrist 12041
- Gulf 12045
- Hardee 12049
- Hernando 12053
- Holmes 12059
- Jackson 12063
- Lake 12069
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Marion 12083
- Nassau 12089
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Osceola 12097
- Pasco 12101
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- St. Johns 12109
- Sumter 12119
- Taylor 12123
- Volusia 12127
- Walton 12131
- Washington 12133
Georgia view state ↗ 17 N ▾
Louisiana view state ↗ 4 N ▾
Mississippi view state ↗ 9 N ▾
South Carolina view state ↗ 3 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/HERA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3119165 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z
