From silver + sword.
silversword (plural silverswords)
- Any member of the genus Argyroxiphium of flowering plants native to Hawaii, with long, narrow leaves sometimes covered in silvery hairs.
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 37:
- It takes the silversword twenty years to screw up the energy for its final floral pyrotechnic.