1. Small shrubby maple of eastern North America; scarlet in autumn
   - mountain maple, Acer spicatum 
2. Tree of western United States
   - white alder, Alnus rhombifolia

Derived forms: mountain alders

Type of: alder, alder tree, maple

Part of: Alnus, genus Alnus

Encyclopedia: Mountain alder

• antipode
• antipodean
• antipodes
• antipollution
• antipope
• antiproton
• antiprotozoal
• antiprotozoal drug
• antipruritic
• antipsychotic
• antipsychotic agent
• antipsychotic drug
• antipyresis
• antipyretic
• antiquarian
• antiquarianism
• antiquark
• antiquary
• antiquate
• antiquated
• antique
• antiquity
• antiredeposition
• Antirrhinum
• Antirrhinum coulterianum