thimbleberry Rosaceae Rubus parviflorus Nutt. Listen to the Latin symbol: RUPA Other Fact Sheets
Leaf: Simple, alternate, deciduous, large (3 to 10 inches in diameter) and palmately lobed (3 to 5 lobes); margins serrate, dark green and velvety on both surfaces (glandular hairs).
Flower: Perfect, complete; large (about 1 inch in diameter), broad white petals with a texture like crinkled tissue paper, occur terminally, either singly or in small clusters, appearing in early summer.
Fruit: Red raspberries (aggregate of drupelets) in the shape of a flattened dome, sparse, long hairs; edible, but taste varies. Pull free from the torus (central core), leaving a thimble-like appearance.
Twig: New stems are green and glandular; older stems have bark that is thin, tan, and papery. Unarmed.
Bark:
Form: An erect, spindly shrub that commonly grows to 6 feet tall, often forms thickets.

Looks like: purple flowering raspberry
leaf flower fruit twig bark form1 map
Additional Range Information:
Rubus parviflorus is native to North America.
Range may be expanded by planting.
See states reporting thimbleberry.
More: Fall Color
External Links:
USDAFS Additional Silvics
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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