silversword
/ˈsɪlvərˌswɔrd/
noun
- A rare, long-lived plant found only in Hawaii, with sword-shaped, silvery leaves that grow in a rosette.
- The silversword blooms only once before dying, after many years of growth.
- Hikers on Haleakalā volcano can see the silversword growing in the volcanic soil.
- Conservationists work to protect the silversword from invasive species.