Blooms: June-August
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Widely distributed throughout most of Washington; British Columbia south to California, east to Montana.
Habitat: Gravelly soil in open, dry to moist woods, coastal bluffs to moderate elevations in the mountains.
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Widely distributed throughout most of Washington; British Columbia south to California, east to Montana.
Habitat: Gravelly soil in open, dry to moist woods, coastal bluffs to moderate elevations in the mountains.
Species Description:
General: Deciduous shrub, 1-3 m. tall, the branches slender, arching, the bark deep reddish-gray.
Leaves: Leaf blades broadly ovate to ovate-lanceolate, 4-7 cm. long, green above and paler and woolly below, with 15-25 lobes, the lobes with fine teeth; leaves alternate, the petioles 10-15 mm. long.
Flowers: Inflorescence a diffuse, pubescent panicle, 10-17 cm. long; calyx saucer-shaped, deeply 5-lobed; flowers about 5 mm. broad, the 5 oval, creamy-white petals slightly exceeding the sepals; stamens 20; pistils 5, 1.5 mm. long.
Fruits: Achene 2 mm. long, covered with short, stiff hairs.
General: Deciduous shrub, 1-3 m. tall, the branches slender, arching, the bark deep reddish-gray.
Leaves: Leaf blades broadly ovate to ovate-lanceolate, 4-7 cm. long, green above and paler and woolly below, with 15-25 lobes, the lobes with fine teeth; leaves alternate, the petioles 10-15 mm. long.
Flowers: Inflorescence a diffuse, pubescent panicle, 10-17 cm. long; calyx saucer-shaped, deeply 5-lobed; flowers about 5 mm. broad, the 5 oval, creamy-white petals slightly exceeding the sepals; stamens 20; pistils 5, 1.5 mm. long.
Fruits: Achene 2 mm. long, covered with short, stiff hairs.
Accepted Name:
Holodiscus discolor (Pursh) Maxim.Synonyms:
Holodiscus boursieri (Carr.) Rehd.
Holodiscus discolor (Pursh) Maxim. ssp. franciscanus (Rydb.) Taylor & MacBryde
Holodiscus discolor (Pursh) Maxim. var. delnortensis Ley
Holodiscus discolor (Pursh) Maxim. var. franciscanus (Rydb.) Jepson
Holodiscus discolor (Pursh) Maxim. var. glabrescens (Greenm.) Jepson
Holodiscus dumosus (Nutt. ex Hook.) Heller
Holodiscus microphyllus Rydb.
Holodiscus microphyllus Rydb. var. glabrescens (Greenm.) Ley
Holodiscus microphyllus Rydb. var. sericeus Ley
Holodiscus microphyllus Rydb. var. typicus Ley
Schizonotus aariaefolius Green
Schizonotus aariaefolius Green var. discolor Kuntze
Schizonotus discolor Raf.
Sericotheca discolor (Pursh) Rydb.
Sericotheca discolor var. purshianus Rehd.
Spiraea ariaefolia Smith
Spiraea discolor Pursh var. ariaefolia Wats.
Treated in Flora of the PNW as:
Holodiscus discolor, Holodiscus dumosus var. glabrescens ?
Additional Resources:
PNW Herbaria Specimens: View list of Holodiscus discolor specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Holodiscus discolor specimens in the WTU Herbarium database.
Washington Flora Checklist: Holodiscus discolor treatment.
E-Flora BC: Holodiscus discolor atlas page.
CalPhotos: Holodiscus discolor images.
USDA Plants Database: Holodiscus discolor.
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Clayton J. Antieau, 1997
Clayton J. Antieau, 2004
Clayton J. Antieau, 2004
Jim Riley
H. Tim Gladwin, 1982
H. Tim Gladwin, 1983
H. Tim Gladwin, 1982
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Bud Kovalchik
Ben Legler, 2006
Ben Legler, 2006
Ben Legler, 2006
Ben Legler, 2006
Ben Legler, 2006
Tim Hagan, 2003
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2008
G. D. Carr, 2008
G. D. Carr, 2008
G. D. Carr, 2008
Al Dodson, 2009
G. D. Carr, 2009
G. D. Carr, 2009
G. D. Carr, 2009
G. D. Carr, 2009
G. D. Carr, 2009
Paul Slichter, 2006
Robert L. Carr, 2010
Robert L. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
Harry Thomas, 2011
Susan McDougall, 2005
Susan McDougall, 2005
Susan McDougall, 2005
Susan McDougall, 2004
Ron Bockelman, 2010
Ron Bockelman, 2010
Ron Bockelman, 2010
Ron Bockelman, 2010
Ron Bockelman, 2010
G. D. Carr, 2012
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