Vascular Plants - Fagaceae - Chrysolepis:
Chrysolepis chrysophylla
Page Author: Maria Yousoufian
giant chinquapin 
Blooms: April - June
Habit: tree,shrub
Duration: perennial
Origin: Native
Conservation Status: Sensitive

Distribution: Columbia River Gorge south through western Oregon into California, where abundant; also, localities in Mason and Skamania Counties, Washington
Habitat: Dry, open to wooded areas, sea level to mid-elevations in the mountains
Species Description:

General: Large, evergreen shrub or small tree 5-30 m. tall, the bark thick and heavily furrowed.
Leaves: Leaves alternate, the blades oblong-lanceolate, to oblong elliptic, 5-10 cm. long, entire, thick and leathery, dark green and usually glabrous above, yellow-green to golden and densely scurfy-woolly below, the base acute, the tip acuminate; petioles 1 cm. long.
Flowers: Plants monoecious; staminate flowers in groups of 3 in stiff, elongate, spreading or erect catkins; perianth deeply 5- or 6-parted; stamens 8-12; pistillate flowers at the base of the staminate spikes, 1-3 in a chaffy involucre, the perianth attached to the ovary but with 6 free lobes; styles 3.
Fruits: Involucre hardens into a spiny bur 1.5-2 cm. broad that contains 1-2 hard-shelled nuts about 10 mm. long.
Subspecies & Varieties:
Accepted Name:
Chrysolepis chrysophylla (Dougl. ex Hook.) Hjelmqvist
Synonyms:
(none)

Treated in Flora of the PNW as:
Castanopsis chrysophylla
Additional Resources:

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

WTU Herbarium Specimens: View list of Chrysolepis chrysophylla specimens in the WTU Herbarium database.

Washington Flora Checklist: Chrysolepis chrysophylla treatment.

E-Flora BC: Chrysolepis chrysophylla atlas page.

CalPhotos: Chrysolepis chrysophylla images.

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

Victor B. Scheffer, 1973

Victor B. Scheffer, 1973

Victor B. Scheffer, 1973

Clayton J. Antieau, 1988

Clayton J. Antieau, 1988

Clayton J. Antieau, 1998

Clayton J. Antieau, 1998

H. Tim Gladwin, 1995

H. Tim Gladwin, 1995

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

Rod Gilbert , 2005

Rod Gilbert , 2005

Regina Johnson, 2012

Ben Legler, 2012

Ben Legler, 2012

Ben Legler, 2012

Ben Legler, 2012

Fred Weinmann, 2013
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Washington Native Plant Society
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