Pseudotsuga is a genus of evergreen coniferous trees in the family Pinaceae. Common names for species in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce. Pseud
Pseudotsuga menziesii 28236
Rocky Mountain Douglas-fir twig
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas
Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California. It is notable for having the largest cones in
Pseudotsuga
…and varieties. In the current treatment, the Chinese species P. sinensis is further subdivided into two varieties: var. sinensis and var. wilsoniana. Pseudotsuga macrocarpa (Vasey) Mayr bigcone Douglas-fir – southern California Pseudotsuga menziesii (Mirb.) Franco – western North America from Alaska to Oaxaca Pseudotsuga…
Bigcone Douglas fir at mtbaldy
Bigcone Douglas-fir cone (left), with a coast Douglas-fir cone for comparison
Pseudotsuga macrocarpa showing branch regeneration after a crown fire through epicormic shoots. Note the charred tree trunks.