ceanothus

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Related to ceanothuses: ceanothus americanus

ce·a·no·thus

 (sē′ə-nô′thəs)
n.
Any of various shrubs or small trees of the genus Ceanothus, chiefly of western North America, having showy clusters of usually blue or whitish flowers.

[New Latin, genus name, from Greek keanōthos, a kind of spiny plant, perhaps the thistle Cirsium arvense (used by Carl Linnaeus as the name for the genus of North American shrubs probably in reference to the spines borne by many species).]

ceanothus

(ˌsiːəˈnəʊθəs)
n
(Plants) any shrub of the North American rhamnaceous genus Ceanothus: grown for their ornamental, often blue, flower clusters
[C19: New Latin, from Greek keanōthos a kind of thistle]