1. Lily of the eastern United States with orange to red maroon-spotted flowers
   - Turk's-cap, Lilium superbum

Type of: lily

• xxviii
• xxx
• xxxi
• xxxii
• xxxiii
• xxxiv
• xxxv
• xxxvi
• xxxvii
• xxxviii
• XXY
• XXY-syndrome
• XY
• xylan
• Xylaria
• Xylaria mali
• Xylaria polymorpha
• Xylariaceae
• xylem
• rydberg
• rydberg constant
• rydberg unit
• Rydberg's penstemon
• rye
• rye bread