bluebonnet

Noun bluebonnet has 2 senses

• bluebonnet(n = noun.plant) buffalo clover, lupinus subcarnosus, texas bluebonnet - low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States;
is a kind of lupin, lupine

• bluebonnet(n = noun.artifact) balmoral - a brimless dark blue Scottish cap with a flat top and a plume on one side;
is a kind of cap