1. Slender aspen native to North America
   - American quaking aspen, Populus tremuloides

Type of: aspen

• luminary
• luminesce
• luminescence
• luminescent
• luminiferous
• luminism
• luminosity
• luminous
• luminous energy
• luminous flux
• luminous flux unit
• luminous intensity
• luminous intensity unit
• luminously
• luminousness
• lummox
• lump
• lump sugar
• lump sum
• lumpectomy
• lumpen
• lumpenproletariat
• Lumpenus
• Lumpenus lumpretaeformis
• lumper