[Bear Berries, Kinnickinnicks and Manzanitas: The Genus Arctostaphylos in Mount Adams Country]
Green-leaf Manzanita, Snowbrush Manzanita
Arctostaphylos patula
Synonym: Arctostaphylos patula ssp. platyphylla
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Close-up images of the large leaves
and masses of pendant, bell-shaped flowers of what appears to begreen-leaf manzanita as seen along the Buck Creek Trail #54 atop open bluffs above the White Salmon River, Mount Adams, Gifford Pinchot National Forest......May 29, 2020. The plants at this site are about 4-6' high. Arctostaphylos nevadensis is also at this site.
Characteristics:
Also known as green manzanita, green-leaf manzanita is an attractive spreading
shrub with branching stems from 1-2 meters high arising from a thickened base.
The younger twigs, petioles, and floral bracts are dark with glandular hairs
or occasionally with spreading hairs while the older stems are glabrous and
reddish-tinged. The leaves are elliptic, oblanceolate, obovate or spatulate
in outline and 3-5 cm long and up to 2.5 cm wide. The tip of the blade is rounded
or ends with a minute spine-like tip while the blade surface is bright green
and shiny. The petioles are up to 1.5 cm long.
The flowers are found in dense, short panicles. The glabrous pedicels
are 4-6 mm long while the floral bracts are triangular and 1-2.5 mm long. The
sepals are white with membranous tips and the pink corollas are urn-shaped and
bright pink, measuring up to 6 mm long. The glabrous fruit is is brownish to
blackish and 7-10 mm wide.
Habitat:
Green-leaf manzanita may be found in open conifer forests at moderate elevations
in the mountains.
Range:
Green-leaf manzanita may be found from near Mt. Hood in the northern Oregon
Cascade Mts. south to southern Oregon and east through south-central Oregon
to Colorado and further south through the Coast Range and Sierra Nevada to southern
California.
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Close-up images of the large leaves
and masses of pendant, bell-shaped flowers of green-leaf manzanita as seen on the upper, west-facing slopes of Hager Mountain, Fremont NF of south-central Oregon.............May 19, 2016.
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Geen-leaf manzanita blooming along Forest Road 2901 about 3-4 miles uphill from the junction with Oregon Highway 31, Fremont-Winema National Forest.........April 30, 2017.
Green-leaf manzanita observed near the microwave towers atop Pine Mountain, Deschutes National Forest, northeastern corner of Deschutes County, OR.......May 12, 2018.
The photo above shows the erect, shrub-like growth, large leaves
and masses of pendant, bell-shaped flowers of green-leaf manzanita as seen on
Winter Rim in the Fremont NF of south-central Oregon.............May 26, 1996.
Paul Slichter