argyroxiphium : Idioms & Phrases
argyroxiphium sandwicense
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       noun low-growing plant found only in volcanic craters on Hawaii having rosettes of narrow pointed silver-green leaves and clusters of profuse red-purple flowers on a tall stem
       
       
 silversword.
 
WordNet
genus argyroxiphium
- 
       noun small genus of Hawaiian spreading and rosette-forming shrubs
       
       
 Argyroxiphium.