mexican creeping zinnia (sanvitalia procumbens). cypselae closeup

asteraceae compositae sanvitalia procumbens achene awn capitulum conical cross cypsela disc floret fruiting marcescent palea paleate pappus ray receptacle stem mexican creeping zinnia procumbens cypselae closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals