Authentic Wisconsin.  Basal-leaved Rosinweed - Silphium terebinthinaceum


Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.


Above: Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin (8/18/20).


Basal-leaved Rosinweed - Silphium terebinthinaceum

Basal-leaved Rosinweed is a native perennial that grows grows from 3' to 10' tall with stems that are mostly leafless and smooth. The yellow flowers appear from July through September.

The Basal-leaved Rosinweed is related to Rosinweed (Silphium integrifolium), Cup Plant (Silphium perfoliatum)) and the Compass Plant (Silphium laciniatum).

Other Names: prairie rosinweed and prairie-dock

Silphium: old Greek generic name referring to resinous juice.

Basal-leaved Rosinweed stem and leaves in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.

Above: Basal-leaved Rosinweed stem and leaves.

For more information on the Basal-leaved Rosinweed, visit Wikipedia.

Or, visit the UW-Madison Wisconsin State Herbarium website page about Basal-leaved Rosinweed.


Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved  Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 20, 2020.
Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.
Basal-leaved Rosinweed leaves and stem in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.
Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed leaves in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed leaves in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.
Basal-leaved Rosinweed leaves in the UW-Madison Arborteum in Madison, Wisconsin on August 2, 2021.

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Wisconsin Wildflowers


Basal-leaved Rosinweed
Silphium terebinthinaceum


Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.

Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.

Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.

Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.


Above: Basal-leaved Rosinweed in the UW-Madison Arborteum in Madison, Wisconsin on August 18, 2020.


1913 Basal-leaved Rosinweed illustration.

1913 Basal-leaved Rosinweed illustration.


Above: 1913 Basal-leaved Rosinweed illustration.


Basal-leaved Rosinweed specimen collected in Grant County on October 5, 2014.


Above: Basal-leaved Rosinweed specimen collected in Grant County on October 5, 2014.



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