Mt. Rainier

Mt. Rainier Flora -- Achlys triphylla -- (Vanilla leaf)

photos by Susan McDougall


Achlys triphylla

A very common low to middle elevation forest plant, where it forms large colonies, Vanilla Leaf is a member of the Barberry family and thus related to Oregon-grape. It is easily recognized by the large rounded leaves, divided into three lobes. In the photo the spike of fruits is ripening into a characteristic reddish-purple color.

Location: Twin Firs Trail, Mount Rainier National Park

Date: June 30, 2016

Author: Susan McDougall
Twin Firs Trail, Mount Rainier National Park
GPS: 46.7336, -121.8383, 2554
Date: June 30, 2016
Achlys triphylla

The flowers are borne in a tall spike, adding splashes of color to the forest understory where this species grows. They lack petals and sepals; the color is from a profusion of stamens.

Location: Sunshine Point, Mount Rainier National Park

Date: May 18, 2014

Author: Susan McDougall
Sunshine Point, Mount Rainier National Park
GPS: 46.7386, -121.912
Date: May 18, 2014
Achlys triphylla

The leaflets are toothed and up to four inches in length.

Location: Sunshine Point, Mount Rainier National Park

Date: May 18, 2014

Author: Susan McDougall
Sunshine Point, Mount Rainier National Park
GPS: 46.7386, -121.912
Date: May 18, 2014

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All images are the property of Susan McDougall.
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