1. Perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
   - frostweed, frost-weed, frostwort, Crocanthemum canadense

Type of: helianthemum, sun rose, sunrose

• cyanobacteria
• cyanobacterial
• Cyanocitta
• Cyanocitta cristata
• cyanocobalamin
• cyanogen
• cyanogenetic
• cyanogenic
• cyanohydrin
• Cyanophyceae
• Cyanophyta
• cyanophyte
• cyanosed
• cyanosis
• cyanotic
• cyanuramide
• cyanuric acid
• Cyathea
• Cyathea medullaris
• Cyatheaceae
• Cybele
• cyber-
• cyber-terrorism
• cyber-terrorist
• cyberart