[The Evening-primrose Family in Mt. Adams Country]

Fireweed, Great Willow-herb

Chamaenerion angustifolium

Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

Fireweed blooming on charred forest floor (from the 2015 Cougar Creek Fire) between Bird Creek and Bird Lake, Bird Creek Meadows, Mount Adams, Yakama Nation lands........September 1, 2017.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a close-up of the flowers of fireweed as seen at the base of the north side of Little Mt. Adams.........August 8, 2004.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows the general form of fireweed as seen along road #2329 at the East Fork Adams Creek on the northern slopes of Mt. Adams.........August 6, 2005.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium) - Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

Additional images of fireweed. The photo at left was photographed along the Island Springs Trail while that at right was photographed from Little Mount Adams.........August 13, 2012.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)
The photo above shows fireweed as seen at the base of the north side of Little Mt. Adams.........August 8, 2004.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a close-up view of the flowers of fireweed as seen at about 4050' along a logging road atop the ridge dividing the Cougar and Dairy Creek drainages at the southeastern corner of Mt. Adams..........July 10, 2005. Note the long white style with a 4-part stigma, with the stigma lobes coiled.

Close-up sideview of a flower of Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a close-up side-view of the flower of fireweed as seen at about 4050' along a logging road atop the ridge dividing the Cougar and Dairy Creek drainages at the southeastern corner of Mt. Adams........July 10, 2005.

Stem leaf of Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a stem leaf of fireweed as seen along Shorthorn Creek at about 5600' along the Shorthorn Trail #16 on the southern slopes of Mt. Adams........July 30, 2005. The leaves of this species are numerous and alternate along the stem.

Sepals of Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a close-up view of the narrow sepals and broad petals of fireweed as seen at about 4050' along a logging road atop the ridge dividing the Cougar and Dairy Creek drainages at the southeastern corner of Mt. Adams.......July 10, 2005.

Cylindrical fruit of Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows the long, linear fruit of fireweed as seen along road #23 at the Mt. Adams viewpoint at the southwestern corner of Mt. Adams........August 6, 2005.

Fireweed, Great Willow-herb: Chamerion angustifolium (Synonyms: Chamaerion angustifolium ssp. angustifolium, Chamerion angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. canescens, Epilobium angustifolium, Epilobium angustifolium var. intermedium)

The photo above shows a close-up of the fruit of fireweed as seen at the base of the north side of Little Mt. Adams.......August 8, 2004.

Paul Slichter