[Members of the Sunflower Family with Daisy-like Heads in Mt. Adams Country]

Lyall's Goldenweed, Lyall's Serpentweed

Tonestus lyallii

Synonym: Haplopappus lyallii

Inflorescence of Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows a close-up view of both the disk and ray flowers of Lyall's goldenweed as seen along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek, near 6900' on the northern slopes of Mt. Adams..........July 11, 2005.

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows a close-up view of both the stem leaves and involucral bracts of Lyall's goldenweed as seen along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek, near 6900' on the northern slopes of Mt. Adams.........July 11, 2005. Note the numerous gland-tipped hairs on both the undeside of the leaves as well as the involucral bracts.

Basal leaves of Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows a close-up of the basal leaves of a young Lyall's goldenweed as seen along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek, near 6900' on the northern slopes of Mt. Adams..........July 11, 2005. In this photo, the leaves appear very similar to those of Stenotus acaulis, (formerly known as Haplopappus acaulis) which is found in eastern Oregon.

Involucral bracts of Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows a close-up view of both the stem-leaves and involucral bracts of Lyall's goldenweed as seen along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek, near 6900' on the northern slopes of Mt. Adams........July 11, 2005.

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows Lyall's goldenweed as seen along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek, near 6900' on the northern slopes of Mt. Adams........July 11, 2005.

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

Lyall's goldenweed as seen with Lupinus lepidus var. lobbii and Silene suksdorfii at the east rim of the upper Killen Creek Basin, at a pass that leads to slopes uphill to the south of Foggy Flats, Mt. Adams..........August 11, 2016.

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

All photos on this page of Lyall's goldenweed were taken at an approximate elevation of 7600' on a ridge slightly northeast of High Camp on the north side of Mt. Adams.........August 2, 2003.

Basal leaf of Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

The photo above shows a basal or lower stem leaf of Lyall's goldenweed.

Lyall's Goldenweed, Lyall's Serpentweed: Tonestus lyallii (Synonym: Haplopappus lyallii)

Paul Slichter E-mail