1. North American poplar with large rounded scalloped leaves and brownish bark and wood
   - swamp cottonwood, black cottonwood, downy poplar, swamp poplar

Type of: cottonwood

• immortalize
• immortally
• immortelle
• immotile
• immotility
• immovability
• immovable
• immovable bandage
• immovableness
• immovably
• genus Cicuta
• genus Cimex
• genus Cimicifuga
• genus Cinchona
• genus Cinclus
• genus Cinnamomum
• genus Circaea
• genus Circaetus
• genus Circus
• genus Cirsium
• genus Cistothorus
• genus Cistus
• genus Citellus
• genus Citharichthys
• genus Citroncirus