great st john's wort

NOUN
20 LETTERS · STARTS WITH G

great st john's wort is a valid 20-letter word worth 30 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2R1E1A1T1S1T1J8O1H4N1'0S1W4O1R1T1
2 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 8 + 1 + 4 + 1 + 0 + 1 + 0 + 4 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does great st john's wort mean?

NOUN · 1 SENSE
1

Perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes.