Tree terms: k

• k
• kerb
• Kew Gardens
• key in
• keystone species
• Killarney fern
• kilo-
• kilowatt-hour
• kinetic energy
• king post
• kinking
• kino
• knopper gall
• knot
• knot garden
• knotweeds
• knuckle
• kPa
• Kretzschmaria deusta
• kWh
• Kyoto protocol