Vascular Plants - Ericaceae - Vaccinium:
Vaccinium caespitosum
Page Authors: Ben Legler, David Giblin
dwarf huckleberry, dwarf bilberry 
Blooms: May-July
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Widely distributed in the mountainous areas of Washington; Alaska south to California, east to Colorado; across southern Canada and the northern tier of states from Minnesota to Maine.
Habitat: Moist rocky ridges and meadows, mid- to high elevations in the mountains.
Species Description:

General: Deciduous shrubs spreading widely by rhizomes and forming mats 1.5-3 dm. tall, the twigs somewhat angled, with yellowish-green to reddish bark, usually finely puberulent.
Leaves: Leaves alternate, oblanceolate, 1-3 cm. long and + to as broad, with a wedge-shaped base, light green and glabrous above, paler and glandular below, serrulate from mid-length to the tips.
Flowers: Flowers single in the axils, whitish to pink, 6-7 mm. long; calyx obscurely 5-lobed; corolla united, narrowly urn-shaped, twice as long as wide, the 5 lobes very short; anthers with dorsal awns and apical, pore-bearing tubes; ovary inferior.
Fruits: Fruit a berry, glaucous-blue, globose, 5-8 mm. broad.
Accepted Name:
Vaccinium caespitosum Michx.
Synonyms:
Vaccinium arbuscula (A. Gray) Merriam
Vaccinium caespitosum Michx. var. angustifolium A. Gray
Vaccinium caespitosum Michx. var. arbusculum A. Gray
Vaccinium caespitosum Michx. var. caespitosum
Vaccinium caespitosum Michx. var. cuneifolium Nutt.
Vaccinium caespitosum Michx. var. paludicola (Camp) Hultén
Vaccinium geminiflorum Kunth
Vaccinium nivictum Camp
Vaccinium paludicola Camp

Treated in Flora of the PNW as:
Vaccinium caespitosum
Additional Resources:

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

WTU Herbarium Specimens: View list of Vaccinium caespitosum specimens in the WTU Herbarium database.

Washington Flora Checklist: Vaccinium caespitosum treatment.

E-Flora BC: Vaccinium caespitosum atlas page.

CalPhotos: Vaccinium caespitosum images.

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

Jim Riley

Dana Visalli

H. Tim Gladwin, 1982

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

Don Knoke, 2009

Don Knoke, 2009

Don Knoke, 2009

Chris Wood, 2009

Chris Wood, 2009

Clayton J. Antieau, 1984

Ben Legler, 2010

Ben Legler, 2010

Ben Legler, 2010

Ben Legler, 2010

Ben Legler, 2010

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011

Robert L. Carr, 2011
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