Douglas fir

noun
1.
a coniferous tree, Pseudotsuga menziesii, of western North America, often more than 200 feet (60 meters) high, having reddish-brown bark, flattened needles, and narrow, light-brown cones, and yielding a strong, durable timber: the state tree of Oregon.
Also called Douglas pine, Douglas spruce, Oregon fir, Oregon pine.
Origin
1855-60; named after David Douglas (1798-1834), Scottish botanist and traveler in America
British Dictionary definitions for Douglas fir

Douglas fir

noun
1.
a North American pyramidal coniferous tree, Pseudotsuga menziesii, widely planted for ornament and for timber, having needle-like leaves and hanging cones: family Pinaceae Also called Oregon fir, Oregon pine
Word Origin
C19: named after David Douglas (1798–1834), Scottish botanist