gymnosperm family

NOUN
17 LETTERS · STARTS WITH G

gymnosperm family is a valid 17-letter word worth 34 points in Scrabble and 39 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2Y4M3N1O1S1P3E1R1M3F4A1M3I1L1Y4
2 + 4 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 3 + 0 + 4 + 1 + 3 + 1 + 1 + 4 =34 PTS
DOUBLE WORD → 68TRIPLE WORD → 102
MEANING

What does gymnosperm family mean?