Query: Monotypic Sapindaceae genera
Relevant documents:
Bridgesia
Athyana
Hornea (plant)
Eurycorymbus
Xanthoceras
Handeliodendron
Hypelate
Euchorium
Pappea
Ungnadia
Castanospora
Schleichera
Otonephelium
Arfeuillea
Scyphonychium