either of two giant conifers with thick fibrous bark, native to California and Oregon. They are the tallest known trees and are among the largest living organisms (已知树种中最高的树,体积最大的生物之一)红杉;巨杉
Two species in the family Taxodiaceae: the California or coast redwood (Sequoia sempervirens), which can grow to a height of c.110 m (328 ft), and the giant redwood, giant sequoia, wellingtonia, or big tree (Sequoiadendron giganteum), which can reach a trunk diameter of 11 m (36 ft) 杉科两树种: 加利福尼亚红杉(拉丁名Sequoia sempervirens,可长至约110米高),北美巨杉(拉丁名Sequoiadendron giganteum,树干直径可达11米) ■used in names of other, chiefly tropical, trees with reddish timber, e.g. Andaman redwood 其他木质为红色的树(主要指热带树,如安达曼红木)