Query: Monotypic asterid genera that aren't Monotypic Asterales genera that are from the Southwestern US
Domain: plants
Relevant documents:
Draperia
Glehnia
Sarcodes
Apiastrum
Langloisia
Carpenteria
Cycladenia
Jamesia
Holmgrenanthe
Microsteris
Pterospora
Nothochelone
Emmenanthe
Pityopus
Chilopsis
Fendlerella
Howellanthus
Ornithostaphylos
Quincula