Mt. Rainier

Mt. Rainier Flora -- Petasites frigidus -- (Arctic Coltsfoot)

presented by Susan McDougall


Petasites frigidus

This subspecies grows in moist habitat, and is often seen alongside roads. It is a lowland to lower subalpine plant, reaching its highest elevation on the south side of the mountain.

Author: Susan McDougall
Westside Road, Mount Rainier National Park
GPS: 46.751, -121.8876, 2179
Date: April 30, 2014
Petasites frigidus

Blooming in midspring, subspecies palmatus of coltsfoot is a tall, stout plant with numerous flowering heads in a somewhat flattened cluster. The leaves are borne directly from the rootstock.

Author: Susan McDougall
Westside Road, Mount Rainier National Park
GPS: 46.751, -121.8876, 2179
Date: April 30, 2014
Petasites frigidus

This photo shows the whitish to pinkish flowers of subspecies frigidus, which grows along streams in the subalpine.

Author: Susan McDougall
Paradise River crossing on Skyline Trail, Mount Rainier National Park
GPS:
Date: August 2, 2013
Petasites frigidus

Subspecies frigidus is a subalpine plant that grows alongside streams to elevations of 7,000 feet. The toothed leaves are triangular and lobed, and the stems are about a foot tall.

Author: Susan McDougall
Paradise River crossing on Skyline Trail, Mount Rainier National Park
GPS:
Date: August 2, 2013

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All images are the property of Susan McDougall.
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