Category Archives: Trees

Great Basin Bristlecone

This gallery contains 9 photos.

Leonard and I just returned from a week exploring Great Basin National Park and other historical, geological and botanical sites along Nevada Highway 50. For me, one of the highlights of the trip was hiking to the Great Basin Bristlecone … Continue reading

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Knobcone Pine

This gallery contains 6 photos.

Knobcone pines (Pinus attenuata) are rather short-lived with a life-span averaging about 60 years. A small tree, this native species varies in form and size depending whether it grows in an exposed or sheltered area. In extremely poor sites it … Continue reading

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Giant Sequoia Continued

This gallery contains 6 photos.

The giant sequoia (Sequoiadendron gigantea) introduced in my previous post (see “Giant Sequoia” on 08-18-19) has small cones and leaves relative to its massive size. The leaves of this evergreen are 1/8th to 1/4th of an inch long, awl or … Continue reading

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Giant Sequoia

This gallery contains 4 photos.

“Redwoods” first made their appearance in the Lower (or Early) Cretaceous between 146 and 100 million years ago. Of over 80 “redwood” species that have been described, all are extinct except three. The coast redwood (Sequoia sempervirens) inhabits the north … Continue reading

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Sadler Oak

This gallery contains 7 photos.

Sadler oaks (Quercus sadleriana) are often an understory species beneath conifers but can grow on sunny, dry ridges and serpentine soils. Their range is approximately the same as the Brewer’s spruce (Picea breweriana) discussed in my previous post (07-14-19 “Brewer’s … Continue reading

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Brewer’s Spruce

This gallery contains 8 photos.

Distribution maps for Brewer’s spruce (Pices breweriana) showed a grove at Babyfoot Lake in the Kalmiopsis Wilderness southwest of Grants Pass OR (Siskiyou National Forest, Josephine County). Leonard and I were excited to finally have the opportunity to see this … Continue reading

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Prunus Witches’ Broom

This gallery contains 2 photos.

  Continuing on the bitter cherry (Prunus emarginata) theme: The yeast-like sac fungus Taphrina confusa induces witches’ brooms on several Prunus species. Although the western choke cherry (P virginiana) and Sierra plum (P subcordata) are most often infected, Leonard and … Continue reading

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