Sequoia gigantea yana nufin wani nau'in bishiyar coniferous wanda aka fi sani da katuwar sequoia ko Saliyo redwood. Kalmar "sequoia" ta samo asali ne daga sunan shugaban Indiyawan Cherokee Sequoyah, wanda ya shahara wajen kirkiro tsarin rubutun Cherokee, kuma "gigantea" yana nufin girman girman bishiyar. Katuwar sequoia ta fito ne a yankin tsaunin Saliyo da ke California kuma tana daya daga cikin manyan halittu masu rai a Duniya, mai iya kaiwa tsayi sama da kafa 300 da diamita na gangar jikin sama da ƙafa 30.