Key to Trees of Logan Canyon

Option 1
Are needles clustered in twos and/or threes, and the cone scales thick and with or without prickles?

Clustered needles sketch


Option 2
Are the needles mainly clustered in fives and the cones 3" to 10" long, the scales without prickles? Clue: the young branches are very flexible. It is a limber pine (Pinus flexilis).

Limber Pine sketch

Limber Pine cone

Limber pine branch bent