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Lassen Volcanic National Park

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Aspen (Populus tremuloides)

This deciduous tree reaches 12-24 meters in height and often occurs in large clumps connected by underground roots. This species is dioecious; individual trees are either male or female, producing either male or female flowers. Both male and female flowers are tiny and arrayed in elongated clusters (catkins), which look like long, soft caterpillars.

Greenleaf Manzanita (Arctostaphylos patula)

Greenleaf manzanita (Arctostaphylos patula) is a perennial evergreen shrub in the Ericaceae family. It forms circular clones that are 1 to 2 meters tall. Clones form when the lower branches root on the ground. Twigs have golden color glands. The smooth bright green leaves are 2.5 to 6 cenimeters long and 1.5 to 4 centimeteres wide. The glabrous pink or white bell shaped flowers form drooping clusters.

Lodgepole Pine (Pinus contorta)

Lodgepole pine (Pinus contorta), an evergreen pine, can be either a tall upright tree or shrub. The trunk  has scaly bark and reaches 2-34 meters in height at maturity.

Mountain Pride (Penstemon newberryi)

Penstemon newberryi is a bushy perennial subshrub that reaches a height between 12 to 30 centimeters. The finely toothed leaf blades are 1 to 4 centimeters long. The glandular magenta flowers are 2-3 centimeters long, and the flowers are tubular or funnel shaped. The showy flowers are pollinated by both hummingbird and insects. The CPP four letter code for this species is PENE

Ponderosa Pine (Pinus ponderosa)

Brian Haggerty/CPPPonderosa pine is an evergreen conifer tree growing 60 to 100 feet tall. The bark has a distinctive orange color with black crevasses. It has long needles in tufts of two or three. Male and female cones occur on the same tree; the small male cones bear the pollen and the large female cones take two years to mature at which time they become woody.

Satin Lupine (Lupinus obtusilobus)

LUOB flowers/Brian HaggertyLupinus obtusilobus is in the pea family (Fabaceae). This perennial herbaceous species grows between 15 and 30 centimeters in height.  The palmate leaves are silvery in color with silky hairs. Leaves have 6 to 7 leaflets that can be up to 5 centimeters long. The small flowers are clustered in whorls and are blue to lilac with a yellow patch. The fruit is a silky legume pod with mottled brown seeds inside.

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