1. Lilac of northern China having ovate leaves and profuse early summer rose-lilac flowers
   - Japanese lilac

Type of: lilac

• family Siluridae
• family Simaroubaceae
• family Simuliidae
• family Sirenidae
• family Sisyridae
• family Sittidae
• family Solanaceae
• family Soleidae
• family Solenidae
• family Soricidae
• family Spalacidae
• family Sparganiaceae
• family Sparidae
• family Sphaeriaceae
• family Sphaerobolaceae
• family Sphaerocarpaceae
• family Sphecidae
• family Spheniscidae
• family Sphingidae
• family Sphyraenidae
• family Sphyrnidae
• family Spirillaceae
• family Spirochaetaceae
• family Spirulidae
• family Squalidae