Ceanothus concha (Ceanothus concha)
Description
The genus is endemic to North America, with the center of its distribution in California. Some species (e.g., C. americanus) are found in the eastern United States and southeast Canada, and others (e.g. C. coeruleus) extend as far south as Guatemala. Most are shrubs 0.5–3 metres (1.6–9.8 ft) tall, but C. arboreus and C. thyrsiflorus, both native to California, can be small multi-trunked trees up to 6–7 metres (20–23 ft) tall. The Californian species of Ceanothus are commonly known collectively as California lilacs, with individual species having more descriptive common names. Species native elsewhere have other common names, such as 'New Jersey tea' for C. americanus, since its leaves were used as a black tea substitute during the American Revolution. In garden use, most are simply called by their scientific names or an adaptation of the scientific name, such as 'Maritime ceanothus' for C. maritimus.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class:
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Order: Rosales
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Family: Rhamnaceae
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Genus: Ceanothus
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