- sequoia, redwood - either of two huge coniferous California trees that reach a height of 300 feet; sometimes placed in the Taxodiaceae
--1 is a kind of cypress
--1 is a member of Cupressaceae, family Cupressaceae, cypress family
--1 has substances: redwood
--1 has particulars:California redwood, coast redwood, Sequoia sempervirens; giant sequoia, big tree, Sierra redwood, Sequoiadendron giganteum, Sequoia gigantea, Sequoia Wellingtonia