Asteraceae

Wholeleaf rosinweed

Silphium integrifolium Michx.

Family: Asteraceae
Genus: Silphium

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Common names

By language (1)

English: Wholeleaf rosinweed

Synonyms

Silphium integrifolium var. deamii L.M.Perry
Silphium integrifolium var. neglectum Settle & T.R.Fisher

Flowers

In flower: July to September (from 508 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: introduced, Lower 48 states: native

Photos

Photo: SEWilco, CC BY-SA 3.0, from Wikimedia Commons
Photo: SEWilco, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dehaan, CC BY 3.0, from Wikimedia Commons
Photo: DDennisM, CC BY 3.0, from Wikimedia Commons
Photo: Frank Mayfield, CC BY-SA 2.0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: TigerTrash, CC BY-SA 4.0, from Wikimedia Commons
Photo: Hameltion, CC BY-SA 4.0, from Wikimedia Commons
Photo: Shuvaev, CC BY 4.0, from Wikimedia Commons

More in Silphium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.