SimplePlant

Asteraceae

Kidneyleaf rosinweed

Silphium compositum Michx.

Family
Asteraceae
Genus
Silphium

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Kidneyleaf rosinweed (Silphium compositum)
FlowerPhoto: Becky Dill, CC0, from iNaturalist

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Common names

By language (1)
English
Kidneyleaf rosinweed

Synonyms

  • Silphium compositum f. compositum
  • Silphium compositum subsp. compositum
  • Silphium compositum subsp. ovatifolium (Torr. & A.Gray) C.R.Sweeney & T.R.Fisher
  • Silphium compositum subsp. reniforme (Raf. ex Nutt.) C.R.Sweeney & T.R.Fisher
  • Silphium compositum subsp. venosum (Small) C.R.Sweeney & T.R.Fisher
  • Silphium compositum var. compositum
  • Silphium compositum var. ovatifolium Torr. & A.Gray
  • Silphium compositum var. reniforme (Raf.) Torr. & A.Gray
  • Silphium compositum var. venosum (Small) Kartesz & Gandhi
  • Silphium lapsuum Small
  • Silphium orae Small
  • Silphium ovatifolium (Torr. & A.Gray) Small
  • Silphium reniforme Raf. ex Nutt.
  • Silphium venosum Small

Flowers

In flower
June to September (from 197 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

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.