Royena

are eaten by

• Global Biotic Interactions: Urocolius indicus (Latham 1790) (Red-faced Mousebird)
• Global Biotic Interactions: Lybius torquatus (Dumont 1805) (Black-collared Barbet)
• Global Biotic Interactions: Corvus albicollis Latham 1790 (White-necked Raven)
• Global Biotic Interactions: Colius striatus Gmelin & JF 1789 (Speckled Mousebird)

are host of

• Global Biotic Interactions: Crossopsora gilgiana (Henn.) Buriticá & J. F. Hennen 1980
• Global Biotic Interactions: Crossopsora gilgiana (Henn.) Buriticá & J. F. Hennen 1980

have flowers visited by

• Global Biotic Interactions: Chalcomitra amethystina amethystina (Shaw 1812)

have vector

• Global Biotic Interactions: Tockus Lesson & R 1830

number of public records in bold

• Barcode of Life Data Systems: 18