cruciferous plant

NOUN
17 LETTERS · STARTS WITH C

cruciferous plant is a valid 17-letter word worth 25 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3R1U1C3I1F4E1R1O1U1S1P3L1A1N1T1
3 + 1 + 1 + 3 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does cruciferous plant mean?