bluebush

noun

1

: a Mexican shrub (Ceanothus coeruleus) bearing a profusion of blue flowers

2

Australia : any of various plants: such as

a

: a tomentose saltbush (Kochia pyramidata) with short linear leaves

b

: a wattle (Aracia brachybotrya) with rather broad phyllodia and linear to narrowly elliptical pods

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