[Horsemints: The Genus Agastache East of the Cascade Mts. of Oregon and Washington]

Western Giant Hyssop, Western Giant-hyssop, Giant Horsemint, Western Horse-mint

Agastache occidentalis

Flower of Western Horse-mint: Agastache occidentalis

The photo above shows a close-up of a flower of western horse-mint as seen at about 4000' on the southeastern slopes of Mt. Adams........July 10, 2005.

Part of the inflorescence of Western Horse-mint: Agastache occidentalis

The photo above shows a close-up of the inflorescence of western horse-mint as seen at about 4000' on the southeastern slopes of Mt. Adams.........July 10, 2005.

Ventral leaf surface of Western Horse-mint: Agastache occidentalis

The photograph above shows a close-up of the underside of a leaf blade of western horse-mint as seen at about 5600' on the steep south-facing slopes of the Ridge of Wonders, just above upper Hellroaring Meadows at the southeastern corner of Mt. Adams..........July 30, 2005. Note the dense coat of white hairs on the underside of the leaf.

Dorsal leaf surface of Western Horse-mint: Agastache occidentalis

The photograph above shows a close-up of the upper surface of a leaf blade of western horse-mint as seen at about 5600' on the steep south-facing slopes of the Ridge of Wonders, just above upper Hellroaring Meadows at the southeastern corner of Mt. Adams........July 30, 2005.

Inflorescence of Western Horse-mint: Agastache occidentalis

The photo above shows the long inflorescence of western horse-mint as seen along at about 4000' on the southeastern slopes of Mt. Adams........July 10, 2005.

Upper stem leaves of Western Horse-mint: Agastache occidentalis

The photo above shows the leaves of western horse-mint as seen at about 4000' on the southeastern slopes of Mt. Adams.........July 10, 2005.

Paul Slichter