[Junipers: The Genus Juniperus East of the Cascade Mountains of Oregon and Washington]

Jack's Juniper

Juniperus communis var. jackii

Synonyms: Juniperus jackii, Juniperus communis var. montana

Jack's Juniper: Juniperus communis var. jackii (Synonym: Juniperus jackii) - Pollen cones of Jack's Juniper: Juniperus communis var. jackii (Synonym: Juniperus jackii)

A close-up image of the awl-like leaves and pollen cones of Jack's juniper as observed at left near cindery outcrops along the Lookout Mountain Trail, Badger Creek Wilderness......July 13, 2019. The photo at right shows Jack's juniper as seen on the slopes above Mt. Hood Meadows Ski Area......July 4, 2021.

Jack's Juniper: Juniperus communis var. jackii (Synonym: Juniperus jackii)

Jack's Juniper: Juniperus communis var. jackii (Synonym: Juniperus jackii) - Jack's Juniper: Juniperus communis var. jackii (Synonym: Juniperus jackii)

Jack's juniper as observed atop Little Huckleberry Mountain, Gifford Pinchot National Forest......September 11, 2021.

Common Juniper, Dwarf Juniper, Ground Juniper, Prostrate Juniper: Juniperus communis var. saxatilis (Synonyms: Juniperus alpina, Juniperus communis ssp. alpina, Juniperus communis ssp. nana, Juniperus communis ssp. saxatilis, Juniperus communis var. alpina, Juniperus communis var. jackii, Juniperus communis var. montana, Juniperus communis var. sibirica, Juniperus nana, Juniperus sibirica)

Jack's juniper is the one conifer on Mt. Adams that is truly a shrub, with the trunk and stems prostrate along the ground. Plants will often get as much as 2.5 meters in diameter. They are found on rocky, exposed ridgetops, lava fields and cliffs on Mt. Adams up to about 7500'.
Paul Slichter