any of a genus (Ceanothus) of evergreen or deciduous shrubs or small trees of the buckthorn family, native to North America, with clusters of very small, usually blue or white, flowers
Origin of ceanothusModern Latin ; from Classical Greek kean?thos, a type of thistle
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.
Origin of ceanothusNew Latin, genus name, from Greek kean&omacron;thos, corn-thistle.
From the genus name.
New Latin, from Ancient Greek ÎºÎµÎ±Î½Î¿Î¸Î¿Ï‚ (keanothos, “corn-thistle"), probably Cirsium arvense