[The Genus Phlox on Mt. Adams]

Henderson's Phlox

Phlox hendersonii

Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii

Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii)

The photo above shows a close-up of the flowers of Henderson's phlox as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams..........July 10, 2005. Henderson's phlox has flowers that are several millimeters less in diameter than spreading phlox (Phlox diffusa). In addition, Henderson's phlox tends to bloom about 1-2 weeks earlier than spreading phlox when they are found in the same location.

Leaves of Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii)

The photo above shows a close-up of the leaves of Henderson's phlox as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams..........July 10, 2005. Note the numerous gland-tipped hairs on the leaves, and the acute tips to the leaves.

Flower of Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii)

The photo above shows a close-up of the flower of Henderson's phlox as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams.........July 10, 2005.

Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii)

The photo above shows Henderson's phlox as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams.........July 10, 2005.

Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii) - Henderson's Phlox: Phlox hendersonii (Synonyms: Phlox douglasii, Phlox douglasii ssp. hendersonii)

The last bloom of Henderson's phlox as seen at about 7200' on talus below the foot of the Lava Glacier on Mt. Adams.........August 11, 2016.

Paul Slichter