petroselinum crispum

NOUN
20 LETTERS · STARTS WITH P

petroselinum crispum is a valid 20-letter word worth 29 points in Scrabble and 38 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3E1T1R1O1S1E1L1I1N1U1M3C3R1I1S1P3U1M3
3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 1 + 3 + 1 + 3 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does petroselinum crispum mean?