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Helianthus nuttallii ssp. nuttallii

Helianthus nuttallii Torr. & A. Gray ssp. nuttallii

Nuttall's Sunflower

Asteraceae (Aster Family)

Synonym(s): Helianthus fascicularis, Helianthus nuttallii ssp. canadensis, Helianthus nuttallii ssp. coloradensis

USDA Symbol: HENUN

USDA Native Status: L48 (N), CAN (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 10 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Aug , Sep , Oct , Nov

Distribution

USA: AZ , CA , CO , ID , KS , MO , MT , ND , NE , NM , NV , OK , OR , SD , UT , WA , WY
Canada: AB , BC , MB , NB , NL , ON , SK

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Helianthus nuttallii ssp. nuttallii in USDA Plants
FNA: Find Helianthus nuttallii ssp. nuttallii in the Flora of North America (if available)
Google: Search Google for Helianthus nuttallii ssp. nuttallii

Metadata

Record Modified: 2022-12-28
Research By: TWC Staff

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