加拿大雪松木學名 yellow cedar lumber?

According to "the guide Book to Trees of Canada and North America" , the early settlers had never seen a cedar tree but they had heard of the legendary fragrant, decay-resistant wood. They found many unfamiliar conifers in their new land with durable,hard,fragrant wood and the sale of this timber was made much easier by calling it some sort of cedar, than it would have been under various obscure new names. This tradition was carried on during the expansion west over the next 200 years, so North America is awash with 'cedars' , none of which is a true Cedar. There are White,Red, Port Orford, Alaska and Incense cedars as currently accepted names, and Canoe, Giant, Mountain,Oregon, Post, Rock,Sand, Stinking, Swamp and Yellow as alternative names. And all are members of the Cypress Family, variously in four genera. One accepted name, ' redceda' is given to two different species in different genera which causes confusion. The leaflet advertising a fine grove of trees in Montana stated ( in 1977;one hopes that it does not now) that trees of 'Redcedar( Juniperus virginiana )' were the main species in the grove and 180 ft tall. That had to be seen. They were in fact, Western redcedar, Thuja plicata, which was no surprise at all.
The true Cedars are four species in the genus Cedrus in the Family Pinaceae which is characterised by woody cones,- - - -
Yip.

編輯分類