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, Helianthemum canadense

Type of: helianthemum, sun rose, sunrose

• clammy chickweed
• clammy locust
• clammyweed
• clamor
• clamoring
• clamorous
• clamorously
• clamour
• clamouring
• clamp
• clampdown
• clams
• clamshell
• clan
• clan member
• clandestine
• clandestine operation
• clandestinely
• clang
• clanger
• clanging
• clangor
• clangoring
• clangorous
• clangour