Category Archives: Shrubs


Twinberry (Lonicera involucrata) is an erect to scraggly shrub that can grow up to 10 feet in height. This perennial native of Northern and Western North America belongs to the Honeysuckle Family (Caprifoliaceae). Its ecology is moist forest clearings, streamsides … Continue reading

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California Flannelbush

California flannelbush (Fremontodendron californicum) is a shrub or small tree native to California, Arizona and Baja. Its ecology is dry slopes, chaparral and open woodlands between approximately 2,000 and 7,500 feet. The leaves, twigs, stems and flower undersides of this … Continue reading

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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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