Vascular Plants - Rosaceae - Rubus:
Rubus parviflorus
thimbleberry 
Blooms: May - July
Habit: shrub
Duration: perennial
Origin: Native
Distribution: Alaska to California, east to the Dakotas and New Mexico
Habitat: Open to wooded, moist to dry areas, from sea level to subalpine mountain slopes
Species Description:

General: Erect, unarmed shrub, 0.5-2 m. tall, with stalked glands and gray, flaking bark.
Leaves: Leaf blades deeply cordate, palmately 5-lobed, 6-15 cm, long and somewhat broader, doubly dentate-serrate, usually glabrous; petioles with stalked glands; stipules membranous, lanceolate.
Flowers: Flowers 3-7 in terminal, flat-topped panicles; calyx pubescent, the 5 lobes spreading, ovate-oblong, 10-18 mm. long, tailed; petals 5, white, oblong-obovate, 1.5-2.5 cm. long; stamens and pistils numerous.
Fruits: Drupelets coherent, red, thimble-shaped, coming free from the receptacle.
Accepted Name:
Rubus parviflorus Nutt.
Synonyms:
Bossekia parviflora Greene
Rubacer parviflorum (Nutt.) Rydb.
Rubus nutkanus
Rubus nutkanus f. lacera Kuntze
Rubus nutkanus var. nuttallii T. & G.
Rubus nutkanus var. parviflorus Focke
Rubus nutkanus var. scopulorum Greene ex Focke
Rubus parviflorus f. nuttallii Fassett
Rubus parviflorus Nutt. var. bifarius Fern.
Rubus parviflorus Nutt. var. fraserianus Henry
Rubus parviflorus Nutt. var. grandiflorus Farw.
Rubus parviflorus Nutt. var. heteradenius Fern.
Rubus parviflorus Nutt. var. hypomalacus Fern.
Rubus parviflorus Nutt. var. parviflorus
Rubus parviflorus Nutt. var. parvifolius (Gray) Fern.
Rubus parviflorus Nutt. var. scopulorum Greene ex Focke
Rubus parviflorus Nutt. var. velutinus (Hook & Arn.) Greene
Rubus velutinus brew.

Treated in Flora of the PNW as:
Rubus parviflorus
Additional Resources:

PNW Herbaria Specimens: View list of all Rubus parviflorus specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Rubus parviflorus specimens in the WTU Herbarium database.

Washington Flora Checklist: Rubus parviflorus treatment.

E-Flora BC: Rubus parviflorus atlas page.

CalPhotos: Rubus parviflorus images.

USDA Plants Database: Rubus parviflorus.
Additional photographs of Rubus parviflorus:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Clayton J. Antieau, 1995

Clayton J. Antieau, 1983

Clayton J. Antieau, 1983

Clayton J. Antieau, 2004

Ben Legler, 2005

H. Tim Gladwin, 1984

H. Tim Gladwin, 1985

H. Tim Gladwin, 1984

H. Tim Gladwin, 1984

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Ben Legler, 2006

Ben Legler, 2006

Ben Legler, 2006

Don Knoke, 2008

Tim Hagan, 2004

G. D. Carr, 2002

G. D. Carr, 2006

G. D. Carr, 2006

Paul Slichter, 2009

Paul Slichter, 2009

Paul Slichter, 2009

Chris Wood, 2010

Chris Wood, 2010

Robert L. Carr, 2010

Craig Althen, 2012

Ron Bockelman, 2011

Ron Bockelman, 2010

Ron Bockelman, 2010

Ron Bockelman, 2012

Ron Bockelman, 2012

Ron Bockelman, 2012

Ron Bockelman, 2010

Ernie Buchanan, 2004

Ernie Buchanan, 2004

Brian Luther, 2012

Brian Luther, 2014

Brian Luther, 2014

Daniel McNair , 2015

Brian Luther, 2015

Brian Luther, 2015

Susan McDougall, 2014

Susan McDougall, 2014

Donovan Tracy, 2014

Donovan Tracy, 2014

Donovan Tracy, 2014

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016
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Washington Native Plant Society
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