|Natural range of Ceanothus spinosus in California chaparral and woodlands habitats.|
Ceanothus spinosus, with the common names Greenbark and Redheart, is a species of Ceanothus. It is native to southern California and northern Baja California, where it grows in the scrub and chaparral of the coastal mountain ranges.
Range and habitat
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Leaves and stems
The bark is smooth and olive green, giving rise to its common name. The stem is a rough-barked trunk near the base. Branches are stiff and sharp, or spiny, at the tips. "Ceanothus" means "spiny plant" in Greek, and the species name, "spinosus", means that it is even more spiny.
Inflorescense and fruit
The shrub blooms in inflorescences up to 15 centimeters long filled with clusters of white to pale blue flowers. The fruit is a smooth, round capsule about half a centimeter wide containing three lobes.
It blooms from February to May.
- FLowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed. p. 167
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