Greenbark ceanothus in full spring bloom along the Grotto trail, Channel Islands National Park. Photo: Anthony J. Valois, Wikimedia Commons (public domain) Ceanothus spinosus, commonly
A mature Giant chinquapin reaching into the forest canopy, its rounded crown distinct from the surrounding conifers. Photo: theforestprimeval, Wikimedia Commons (CC BY-SA 2.0) Chrysolepis
Chaparral whitethorn forming a dense stand on a foothill slope near Sequoia National Park. Photo: Krzysztof Ziarnek, Wikimedia Commons (CC BY-SA 4.0) Ceanothus leucodermis, commonly
A mature Birchleaf mountain mahogany shrub on a foothill ridge above Kings Canyon, California. Photo: Krzysztof Ziarnek, Wikimedia Commons (CC BY-SA 4.0) Cercocarpus betuloides, commonly
Bigpod ceanothus in full winter bloom, one of the first chaparral shrubs to flower each year. Photo: Krzysztof Ziarnek, Wikimedia Commons (CC BY-SA 4.0) Ceanothus
Whiteleaf manzanita branch showing the pale, gray-green foliage and sticky developing fruit that give the species its common names. Photo: Krzysztof Ziarnek, Kenraiz / Wikimedia
Dense, rounded pointleaf manzanita shrubs on a dry hillside, Spring Mountains, Nevada. Photo: Stan Shebs / Wikimedia Commons (CC BY-SA 3.0) Arctostaphylos pungens, commonly called
Mountain whitethorn branch showing the rigid, spine-tipped stems and creamy-white flower clusters, Tioga Pass Road, Yosemite National Park. Photo: Eric in SF / Wikimedia Commons
A mature hoaryleaf ceanothus in full bloom, Regional Parks Botanic Garden, Berkeley. Photo: Stan Shebs / Wikimedia Commons (CC BY-SA 3.0) Ceanothus crassifolius, known as
Eastwood manzanita branch with glossy evergreen leaves and winter flower clusters. Photo: Franz Xaver / Wikimedia Commons (CC BY-SA 3.0) Arctostaphylos glandulosa, commonly known as
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