indicator plant

15 LETTERS · STARTS WITH I

indicator plant is a valid 15-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1D2I1C3A1T1O1R1P3L1A1N1T1

1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does indicator plant mean?