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Home  /  Plants  /  Budburst Species  /  Silphium terebinthinaceum
Phenology Observation Sheet for Wildflowers and Herbs

COMMON NAME

Prairie dock

SCIENTIFIC NAME

Silphium terebinthinaceum

Plant family

Aster (Asteraceae)

Plant group

Wildflowers and Herbs

Prairie dock grows to 3 to 10 feet tall. It has spade-shaped basal leaves with a tall flower stalk holding the composite yellow flowers. It blooms from July through September.
159 reports
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OBSERVERS
159+
OBSERVATIONS
!

Identification hints

Prairie dock prefers moist to mesic prairie soils. One or more naked flowering stalks rise 3' to 10' from the base of the plant. The stalks divide into a panicle of 2–2½" yellow flowerheads. Prairie dock blooms from late summer to early fall, and lasts about a month for an individual plant.

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Did you know?

Birds are attracted to the seeds.  One of the plant's common names, "Rosinweed," is due to the fact that upon injury, resin flows from the wound, giving the plant a sweet smell. 

DISTRIBUTION IN TH U.S.
Alabama , Arkansas , Georgia , Iowa , Illinois , Indiana , Kentucky , Michigan , Missouri , Mississippi , North Carolina , Ohio , South Carolina , Tennessee , Virginia , Wisconsin , West Virginia
HABITAT
There is no information available about this species.

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