1. An abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
   - witches' broom, witch broom, hexenbesen

Type of: tuft, tussock

• family Canellaceae
• family Canidae
• family Cannabidaceae
• family Cannaceae
• family Capitonidae
• family Capparidaceae
• family Caprifoliaceae
• family Caprimulgidae
• family Caproidae
• family Capromyidae
• family Capsidae
• family Carabidae
• family Carangidae
• family Carapidae
• family Carcharhinidae
• family Carchariidae
• family Cardiidae
• family Cariamidae
• family Caricaceae
• family Carpinaceae
• family Caryocaraceae
• family Caryophyllaceae
• family Castoridae
• family Casuaridae
• family Casuarinaceae