• Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Ginny Stibolt, Ixia Chapter FNPS
  • Photo by: Eleanor Dietrich, Magnolia Chapter FNPS
  • Photo by: Eleanor Dietrich, Magnolia Chapter FNPS

Helianthus radula

rayless sunflower

Nomenclature

Common Name:

rayless sunflower

Synonym(s):

Genus species:

Helianthus radula

Family:

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

very low basal rosette with a 2-2.5 ft flower stalk.

Life Span:

Long-lived perennial

Flower Color:

brown

Fruit Color:

brown

Phenology:

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Considerations:

Text

Availability:

Text

Propagation:

Text

Light:

Text

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Usually moist, occasional inundation -to- Not wet but not extremely dry

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand, Loam

Soil pH:

Suitable to Grow In:

8A,8B,9A,9B

Ecology

Wildlife:

Pollinators, Butterflies, Birds, Mammals

Attracts a variety of pollinators including bees.   Attracts butterflies.

Birds and small mammals eat the seeds.

Native Habitats:

Flatwoods. Moist to dry roadsides.

Comments:

Ethnobotany:

General Comments: