Silphium terebinthinaceum
(Prairie Dock)

Other pictures of this plant:

               Seedpod                                           Leaf                                            Stem                                        Seed                                          Habit

Facts About this Plant:

    Common Names: Prairie Dock, Prairie Rosinweed
    Lifespan: Perennial
    Zones: 4 - 8
    Type: Forb
    Bloom Time: July - September
    Status: Native

Silphium terebinthinaceum, or Prairie Dock, is native to the midwestern and southeastern United States. It grows in open prairies, meadows and fields, and along roadsides. It blooms in mid to late summer with yellow flowers on tall stalks.

Although this genus has several species with similar looking flowers, this particular species is very easy to tell apart, owing to its massive spade-shaped leaves that grow out of the base of the plant. Little else is needed to identify this plant!

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