Asanthus and Brickellia both have cypsela ( achenes ) with 10 ribs , but in Asanthus the style is glabrous and narrow at the base .
In Brickellia the style has a pubescent .
Asanthus and Brickellia both have cypsela ( achenes ) with 10 ribs , but in Asanthus the style is glabrous and narrow at the base whereas in Brickellia the style has a pubescent .