[Pipsissewas and Prince's Pines: The Genus Chimaphila in the Cascade Mountains of Oregon and Washington]

Common Prince's-pine, Prince's-pine, Pipsissewa

Chimaphila umbellata var. occidentalis

Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata

Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

Prince's-pine booming in coniferous forest along the northern portion of the loop of South Fork Tieton River Trail #1120 in upper South Fork Tieton basin, Okanogan-Wenatchee National Forest..........July 24, 2016.

Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

Prince's-pine blooming along the Butte Camp Trail #238A in old growth forest one-quarter of a mile uphill from Butte Camp Meadow, Mount Saint Helens National Volcanic Monumtent.......August 11, 2022.

Flower of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Flower of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

The photo at left shows a close-up view of the flower of prince's-pine as seen in woods surrounding Swampy Meadows on the western slopes of Mt. Adams.........August 6, 2005. The photo at right shows a close-up of the calyx and back of a flower of prince's-pine as seen in woods surrounding Swampy Meadows on the western slopes of Mt. Adams........August 6, 2005.

Flower of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Flower of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

The photo at left shows a close-up sideview of the flower of pipsissewa as seen along the Pacific Crest Trail in the Mt. Adams Wilderness.........September 13, 2008. The photo at right shows a close-up side-view of a flower of prince's-pine as seen in woods surrounding Swampy Meadows on the western slopes of Mt. Adams.........August 6, 2005. Note the purplish, tubular pairs of anthers which open by pores.

Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

The photo at right shows prince's-pine blooming in woodlands above Tombstone Meadows along the Cone Peak Trail #3408, Willamette National Forest.....July 17, 2023, The photo at center shows the form of prince's-pine as seen in woods surrounding Swampy Meadows on the western slopes of Mt. Adams........August 6, 2005. The image at right shows prince's-pine blooming along the Umbrella Falls Trail #667, Mount Hood National Forest......July 26, 2024.

Upper leaf surface of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

Lower leaf surface of Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata)

The photos above show the upper leaf surface (upper photo) and lighter green ventral surface of the leaves of prince's-pine as seen in woods surrounding Swampy Meadows on the western slopes of Mt. Adams........August 6, 2005.

Paul Slichter