Category Archives: Shrubs

French Broom

This gallery contains 8 photos.

Several species of “broom” were introduced into the Pacific States from the Mediterranean Area. Because these members of the Pea Family (Fabeaceae) are very invasive as well as containing toxic alkaloids that can depress the heart and nervous system of … Continue reading

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Dwarf Tanoak

This gallery contains 6 photos.

Tanoak (Notholithocarpus densiflora) can grow in two forms: a tree (var densiflora) or a shrub (var echinoides). In July, Leonard and I found dwarf tanoak (also called tanoak shrub) growing in profusion along the Castle Lake Road in Shasta Trinity … Continue reading

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Granite Prickly Phlox

This gallery contains 9 photos.

Granite prickly phlox (Linanthus pungens) is a low shrub that grows erect or may be short and spreading, depending on the environment. Under good conditions, the plant can grow up to 3 feet in height, while at higher elevations mat-like … Continue reading

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Rock Spiraea

This gallery contains 8 photos.

The plant Leonard and I commonly call rock spiraea is a variety of Holodiscus discolor (oceanspray or cream bush).  As I mentioned in my last post (“Rockmat” on 11-06-19), Petrophytum caespitosum is often also colloquially referred to as rock spiraea. … Continue reading

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Rockmat

This gallery contains 8 photos.

Leonard and I were first introduced to Petrophytum caespitosum in October while visiting Great Basin National Monument in Nevada as “rock spiraea”. It was growing along the Mountain View Nature Trail.  Hmmm. . . We were familiar with a “rock … Continue reading

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