A small slow-growing pine (Pinus aristata), native to the western United States and having needles in fascicles of five. It is among the oldest living trees.

• 芒松：一种矮小的缓慢生长的松树（刺果松松属），原产于美国西部，每五支松针簇生成一束，是最古老的存活树木之一