[Hawkweeds: The Genus Hieracium in Mt. Adams Country]

Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed

Hieracium triste

Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile,Hieracium triste ssp. gracile, Hieracium triste var. gracile

Flower head of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Inflorescence of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Flower head of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

Three photos above showing the hairy involucral bracts and widely branching pedicels of slender hawkweed as photographed on slopes above Horseshoe Meadows at the southwest corner of Mt. Adams......July 27, 2006. Notice that the pedicels are much longer than any of the flower heads.

 

The photo above shows the open inflorescence of slender hawkweed as photographed on slopes above Horseshoe Meadows at the southwest corner of Mt. Adams........July 27, 2006. Notice that the pedicels are much longer than any of the flower heads.

Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Seed heads of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

Close-up images of slnder hawkweed, including the seed heads, as seen at about 7200' on sandy and rocky soils at the base of the terminal moraine of the Adams Glacier above High Camp, Mount Adams.........August 12, 2016.

Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

Slender hawkweed seen at left in bloom below the foot of the Lava Glacier on the north side of Mt. Adams.........August 11, 2016. The photo at right shows slender hawkweed blooming along the Shorthorn Trail #12 several hundred yards east of the ford of Shorthorn Creek, Mount Adams Wilderness......July 7, 2021.

Basal leaf of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

The photo above shows a close-up of a basal leaf of slender hawkweed as photographed along the climbers trail above Hellroaring Overlook on Mt. Adams.........August 7, 2004.

Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

The photo at left shows slender hawkweed as photographed about one-quarter mile below the terminus of the Crescent Glacier along the South Climb Trail of Mt. Adams........August 23, 2008. Slender hawkweed blooming at right at about 6600' at the western base of the terminal moraine at the base of the Adams Glacier, Mt. Adams Wilderness..........August 20, 2013.

Flower head of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile) - Flower head of Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

The photo above shows the discoid flower head and involucre of slender hawkweed as seen about one-quarter mile below the terminus of the Crescent Glacier along the South Climb Trail of Mt. Adams........August 23, 2008.

Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium gracile (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile, Hieracium triste, Hieracium triste ssp. gracile, Hieracium triste var. gracile)

The photo above shows slender hawkweed as photographed along the climbers trail above Hellroaring Overlook on Mt. Adams.......August 7, 2004.
Paul Slichter