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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Helianthus pauciflorus ssp. subrhomboideus

Helianthus pauciflorus Nutt. ssp. subrhomboideus (Rydb.) O. Spring & E. Schilling

Stiff Sunflower

Asteraceae (Aster Family)

Synonym(s): Helianthus laetiflorus var. subrhomboideus, Helianthus pauciflorus var. subrhomboideus, Helianthus rigidus ssp. laetiflorus, Helianthus rigidus ssp. subrhomboideus, Helianthus rigidus var. subrhomboideus, Helianthus subrhomboideus


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


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Plant Characteristics

Duration: Perennial
Habit: Herb

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep


USA: CO , CT , IA , IL , IN , KS , MA , ME , MN , MO , MT , ND , NE , NH , NM , NY , PA , SD , TX , WI , WY
Canada: AB , MB , ON , SK


Conspicuous Flowers: yes

Value to Beneficial Insects

Special Value to Native Bees

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

Additional resources

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


Record Modified: 2007-01-01
Research By: TWC Staff

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