asteridae: a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder
class: (biology) a taxonomic group containing one or more orders
feather ball: a low tuberculate cactus with white feathery spines; northeastern Mexico