Thimbleberry, Flowering Raspberry, Western Thimbleberry, Rubus parviflorus Nutt., Native Minnesota Wildflower plant, Eloise Butler Wildflower Garden

	Plants of the Eloise Butler Wildflower Garden
	Common Name	Scientific Name	Plant Family	Garden Location	Prime Season
	Thimbleberry	Rubus parviflorus Nutt.	Rose	Woodland	Early Summer
Other names and notes	(Flowering Raspberry, Western Thimbleberry). Plant stems can reach up to 4 feet in height, the leaves, lower particularly, are wide (4 to 8") and 5-lobed, resembling large maple leaves. Flowers are 5-part, up to 1-1/2 inches wide, white, with a prolific number of stamens and the fertilized flower matures into a pale orange-red fuzzy 1/2" thick berry. It is a woodland plant requiring only partial sun.


Above: Remains of the stamens as the fruit develops in late June. Below: The developing fruit of mid-July	Above: The Maple-like leaves. Below: The mature fruit of late July.

Notes: The plant is not listed on Martha Crone's 1951 census of plants in the Garden. The example pictured here grows on the bog trail, near guidebook station #30. Thimbleberry grows in the Great Lakes States and the Western United States. In Minnesota the only reported populations are along the roadsides near Lake Superior, which is similar Wisconsin where most of the reporting's are in counties along the Great Lakes.

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References: Plant characteristics are generally from sources 15, 16, 30, 31, 33, W2 & W3. Distribution principally from W2 and also 31, 34 and W1. Planting history generally from 1, 4 & 4a. Other sources by specific reference. See Reference List for details.

121909