Mt. Rainier

Mt. Rainier Flora -- Oreostemma alpigenum -- (Alpine Aster)

presented by Susan McDougall

Oreostemma alpigenum

The basal leaves are up to 3 inches long, and a few small stem leaves resemble bracts. This is a plant of dry rocky sites and meadows and ranges from 5,000-8,000 feet. This is variety alpigenum.

Author: Susan McDougall
Frozen Lake trail, Mount Rainier National Park
Date: August 11, 2008
Oreostemma alpigenum

The flowers have many rays and a bright, broad yellow center. They are solitary on 8-inch stems, a distinguishing field mark for this subalpine aster.

Author: Susan McDougall
Paradise, Mount Rainier National Park
GPS: 46.7830, -121.7353, 5231
Date: August 4, 2013
Oreostemma alpigenum

As with many asters, Alpine Aster seeds are wind-dispersed.

Author: Susan McDougall
Dege Peak trail, Mount Rainier National Park
GPS: 46.9146, -121.638, 6359
Date: September 7, 2016

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