The genus is distinguished morphologically by the pales, which are modified to completely and tightly enclose the mature cypsela ( achene ) and often have a tuberculate surface.
12.
From the 7th century onward, the bishopric of Cypsela, initially a suffragan of Traianopolis, appears in the " Notitiae Episcopatuum " as an autocephalous archdiocese.
13.
During the journey back to Italy after the victory at Magnesia and the end of the Syrian war, the consul Manlius Vulso ran into trouble near Cypsela in Thrace.
14.
Each of the species was originally named as a member of " Brickellia ", and later transferred when King and Robinson named the genus . " 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, enlarged base.
15.
Wind dispersal is common ( " epizoochory ", in which the dispersal unit, a single cypsela ( e . g . " Bidens " ) or entire capitulum ( e . g . " Arctium " ) provided with hooks, spines or some equivalent structure, sticks to the fur or plumage of an animal ( or even to clothes, as in the photo ) just to fall off later far from its mother plant.
