Vascular Plants - Rosaceae - Crataegus:
Crataegus suksdorfii
Page Author: David Giblin
Suksdorf's hawthorn 
Blooms: May-June
Habit: tree,shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Chiefly west of the Cascades in Washington; southern British Columbia and Washington, except more easterly somewhat in the Fraser River Valley and the Columbia River Gorge.
Habitat: Coastal bluffs, meadowland thickets, and valleys.
Species Description:

General: Large shrubs or small trees, 1-6 m. tall, armed with stout, straight thorns 1-2 cm. long.
Leaves: Leaf blades elliptic to oblong, tapered to the petiole, 3-6 cm. long and nearly as broad, usually serrate or biserrate, pubescent to glabrous on both surfaces.
Flowers: Flowers few in the leaf axils or terminal; calyx bell-shaped, the 5 lobes triangular, entire, reflexed, 1.5-2.5 mm. long; petals 5, white, orbicular, 5-7 mm. long; stamens 20, styles 5.
Fruits: Berry blackish, glabrous, about 1 cm. long
Accepted Name:
Crataegus suksdorfii (Sarg.) Kruschke
Synonyms:
Crataegus douglasii Lindl. var. suksdorfii Sarg.

Treated in Flora of the PNW as:
Crataegus douglasii var. suksdorfii
Additional Resources:

PNW Herbaria Specimens: View list of Crataegus suksdorfii specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Crataegus suksdorfii specimens in the WTU Herbarium database.

Washington Flora Checklist: Crataegus suksdorfii treatment.

E-Flora BC: Crataegus suksdorfii atlas page.

CalPhotos: Crataegus suksdorfii images.

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

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

Paul Slichter, 2007

Paul Slichter, 2007
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Washington Native Plant Society
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