human papilloma virus: any of a group of papovaviruses associated with genital or oral carcinomas or a group associated with benign genital tumors
papovavirus: any of a group of animal viruses associated with or causing papillomas or polyomas
silversword: 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