1. Trees having showy flowers and inedible nutlike seeds in a leathery capsule
   - Hippocastanaceae, family Hippocastanaceae

Derived forms: horse-chestnut families

Type of: dicot family, magnoliopsid family

Part of: order Sapindales, Sapindales

• United States Fish and Wildlife Service
• United States government
• United States Government Accounting Office
• United States Government Printing Office
• United States House of Representatives
• United States intelligence agency
• United States Intelligence Community
• United States liquid unit
• United States Marine Corps
• United States Marines
• United States Marshals Service
• United States Military Academy
• United States Mint
• United States National Library of Medicine
• United States Naval Academy
• United States Navy
• United States of America
• United States Post Office
• United States Postal Inspection Service
• United States Postal Service
• United States President
• United States Public Health Service
• United States Secret Service
• United States Senate
• United States Supreme Court