UW Burke Herbarium species comparison

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Spiraea splendens

rosy spiraea, subalpine spiraea
Habit Low, spreading, deciduous, freely-branched shrub from strong rhizomes, 5-10 dm. tall, with reddish-brown bark.
Leaves

Leaf blades ovate-oval, bright green above, paler and strongly veined beneath, 2-4 cm. long, finely serrate half their length.
Flowers

Inflorescence a dense, flat-topped panicle, 2-4 cm. broad;

calyx hemispheric, 1-1.5 mm. wide, the 5 lobes triangular, 1 mm. long, erect to spreading;

petals oval, bright pink to rose, 1.5-2 mm. long;

stamens 25-50, the filaments pink, exceeding the petals.
Fruit

Follicles 4-5, leathery, glabrous, 2.5-3 mm. long.

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



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