[The Genus Spiraea in the Cascade Mountains of Oregon and Washington]

Pyramid Spiraea

Spiraea x pyramidata

Synonyms: Spiraea x subvillosa, Spiraea betulifolia x douglasii

Inflorescence of Pyramid Spiraea: Spiraea x pyramidata (Synonyms: Spiraea xsubvillosa, Spiraea betulifolia x douglasii)

The photo above shows the pyramidal inflorescence of pyramid spiraea as seen along the Island Springs Trail #66 on the eastern slopes of Mt. Adams.........August 25, 2005.

Close-up of the inflorescence of Pyramid Spiraea: Spiraea x pyramidata (Synonyms: Spiraea xsubvillosa, Spiraea betulifolia x douglasii)

The photo above shows a close-up pf the flowers of pyramid spiraea as seen along the Island Springs Trail #66 on the eastern slopes of Mt. Adams........August 25, 2005.

Upper leaf surface of Pyramid Spiraea: Spiraea x pyramidata (Synonyms: Spiraea xsubvillosa, Spiraea betulifolia x douglasii)

The photo above shows the upper leaf surface of pyramid spiraea as seen along the Island Springs Trail #66 on the eastern slopes of Mt. Adams.........August 25, 2005.

Lower leaf surface of Pyramid Spiraea: Spiraea x pyramidata (Synonyms: Spiraea xsubvillosa, Spiraea betulifolia x douglasii)

The photo above shows the lower leaf surface of pyramid spiraea as seen along the Island Springs Trail #66 on the eastern slopes of Mt. Adams.........August 25, 2005.

Paul Slichter