Sanguinaria and Stachyurus, are a genus of which type?
Sanguinaria Sanguinaria canadensis (bloodroot) is a perennial, herbaceous flowering plant native to eastern North America. It is the only species in the genus Sanguinaria, included in the family Papaveraceae, and most closely related to "Eomecon" of eastern Asia.
Changiostyrax Changiostyrax is a monotypic genus of flowering plant in the family Styracaceae. Its only member species is "Changiostyrax dolichocarpa", formerly known as "Sinojackia dolichocarpa".