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Lewis & Clark as Naturalists
The Collection: Species Details Lewis and Clark as Naturalists
Plant    Species Name:
Dalea purpurea Vent.
syn. Petalostemon mollis Rydb.
syn. Petalostemon purpureus (Vent.) Rydb.
syn. Petalostemon purpureus (Vent.) Rydb. var. mollis (Rydb.) Boivin
syn. Petalostemon violaceus Michx.

Common Name:
violet prairie clover


Otoe & Cass Counties, Nebraska   July 20, 1804
Springfield, South Dakota   September 2, 1804

An image of the specimen in the Lewis and Clark herbarium. . . .

Dalea purpurea (PH-LC 73).

The copyright for this image is retained by the Academy of Natural Sciences of Philadelphia; this image is used with their permission.

A mystery -

A note on the actual specimen in Philadelphia, in what appears to be Captain Lewis' handwriting says: "Found September 2nd  The Indians use it as an application to fresh wounds. They bruise the leaves adding a little water to apply it."  However, in his journals, Captain Lewis noted that he had collected the plant on July 20, 1804.

A note on another fragment on this sheet in Philadelphia (the right-hand specimen) says that particular specimen was collected "On the Missouri, July 22, 1806". This appears to be in Pursh's handwriting.

Journal Entries:

Capt. Lewis, July 20th, 1804 – No. 15. Was taken on the 20th of July, a bieniel plant, an ...  more>>

See following caption
collected by Thornber, Dell Rapids, South Dakota, August 1892

See following caption
Dalea purpurea (Wagner00361)

See following caption
Dalea purpurea (Wagner00365)

See following caption
Dalea purpurea (Wagner00401)

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