metasequoia

[ met-uh-si-kwoi-uh ]
/ ˌmɛt ə sɪˈkwɔɪ ə /

noun

a tall deciduous coniferous tree, Metasequoia glyptostrobodes, first known as a fossil and then discovered alive in China.
Also called dawn redwood.

Origin of metasequoia

< New Latin (1941), the genus name; see meta-, sequoia