Native Plants

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Helianthus ×intermedius

Helianthus ×intermedius R.W. Long

Sunflower

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: HEIN2

USDA Native Status: L48 (N)

Natural hybrid of Helianthus grosseserratus and H. maximiliani.

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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: IA , IN , KS , MA , ME , MI , MN , MO , NE , OH , SD , TX , WI

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Helianthus �intermedius in USDA Plants
FNA: Find Helianthus �intermedius in the Flora of North America (if available)
Google: Search Google for Helianthus �intermedius

Metadata

Record Modified: 2019-03-29
Research By: CBR

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