UW Burke Herbarium species comparison

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Spiraea corymbosa

Spiraea ×pyramidata

pyramid spiraea
Habit Erect to spreading, deciduous shrubs from rhizomes, 5-12 dm. tall.
Leaves

Leaf blades ovate-lanceolate to oblong-lanceolate, 2-7 cm. long, crisp-puberulent beneath, from sub-entire to coarsely once or twice serrate above the middle.
Flowers

Inflorescence a large, obconic panicle, 5-10 cm. broad and 1 to 2 times as long;

calyx sparsely hairy, the 5 lobes triangular, 1 mm. long, reflexed;

petals 5, pale pink, 2-2.5 cm. long;

stamens 25-50.
Fruits

Follicles leathery, glabrous to pubescent, 2.5-3 mm. long.

Spiraea corymbosa

Spiraea ×pyramidata
Flowering time June-August
Habitat Somewhat dry forest openings, from the lowlands to the subalpine.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
S. douglasii, S. ×hitchcockii, S. lucida, S. ×pyramidata, S. splendens
S. douglasii, S. ×hitchcockii, S. lucida, S. splendens
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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