- Houstonia coerulea
- Bluets Blu"ets, n. [F. bluet, bleuet, dim. of bleu blue. See {Blue}, a.] (Bot.) A name given to several different species of plants having blue flowers, as the {Houstonia c[oe]rulea}, the {Centaurea cyanus} or bluebottle, and the {Vaccinium angustifolium}. [1913 Webster]
The Collaborative International Dictionary of English. 2000.