medium to tall fir of central to western United States having a narrow erect crown and soft wood
同义词：Colorado fir??/??California white fir??/??Abies concolor??/??Abies lowiana
medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
同义词：amabilis fir??/??Pacific silver fir??/??red silver fir??/??Christmas tree??/??Abies amabilis
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