Fireweed, Great Willow-herb
Chamaenerion angustifolium
Synonyms:Chamerion angustifolium ssp. angustifolium, Chamerion angustifolium ssp. circumvagum, Chamerion angustifolium var. angustifolium, Chamerion angustifolium var. canescens, Chamerion danielsii, Chamerion platyphyllum, Chamerion spicatum, Epilobium angustifolium, Epilobium angustifolium ssp. circumvagum, Epilobium angustifolium ssp. macrophyllum, Epilobium angustifolium var. abbreviatum, Epilobium angustifolium var. canescens, Epilobium angustifolium var. intermedium, Epilobium angustifolium var. macrophyllum, Epilobium angustifolium var. platyphyllum, Epilobium spicatum
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Fireweed as seen along Forest Road #39 at Bottle Springs, Okanogan-Wenatchee National Forest.......July 29, 2018.
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The photo at center shows the inflorescence of fireweed in bloom along the East Crater Trail #48 in the Indian Heaven Wilderness.....September 15, 2023. Fireweed blooming at center on the Pumice Plain, Mount Saint Helens National Monument..........July 26, 2015. The photo at right shows fireweed in bloom along the Pacific Crest Trail #2000 in upper Cispus Basin, Goat Rocks Wilderness.......August 19, 2020.
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The photo at left 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. The photo at right shows a close-up of the inflorescence of fireweed still in bloom in burned forest along the Vista Ridge Trail, Mount Hood Wilderness.....October 5, 2022.
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Additional images of fireweed. The photo at left was photographed along the Island Springs Trail while that at center was photographed from Little Mount Adams..........August 13, 2012. The photo at right shows masses of fireweed going to seed in burned forest resulting from the 2020 Big Hollow Fire, Sister Rocks Research Natural Area.....September 8, 2023.
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Fireweeds still in bloom in a burned area of forest along the East Crater Trail #48, Indian Heaven Wilderness......September 9, 2024.
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The photo at left shows fireweed as seen at the base of the north
side of Little Mt. Adams..........August 8, 2004. The photo at right shows fireweed still in bloom along the East Crater Trail about one-half mile downhill to the northeast of East Crater, Indian Heaven Wilderness......September 22, 2022. This latter site was burned several years previously during the East Crater Fire.
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Two photos showing close-up views 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.
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.
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.
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.
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.
Paul Slichter