BLUEWEEDS
Scrabble letter values: B3L1U1E1W4E1E1D2S1 = 15
Definition
BLUEWEEDS is the plural of BLUEWEED.
noun BLUEWEED: a coarse prickly European weed with spikes of blue flowers.
Synonyms of BLUEWEED: blue_devil, blue_thistle, viper's_bugloss, Echium_vulgare