1. Semi-evergreen shrub or small tree of Arizona and New Mexico having acorns with hemispherical cups
   - Quercus arizonica

Type of: white oak

• rheumatoid
• rheumatoid arthritis
• rheumatoid factor
• rheumatoid spondylitis
• rheumatologist
• rheumatology
• rheumy
• Rhexia
• Rhibhus
• rhinal
• Rhincodon
• Rhincodon typus
• Rhincodontidae
• Rhine
• Rhine River
• Rhine wine
• Rhineland
• rhinencephalon
• rhinestone
• rhinion
• rhinitis
• rhino
• Rhinobatidae
• rhinoceros
• Rhinoceros antiquitatis