n.[植] 菊亚纲； 英英释义： Asteridae[ ə'sti:ridi: ]n.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;