Definitions
1.NounA plant, Bougainvillea glabra, and its flower head, so called for the papery bracts.
2.NounA plant, the peach-leaved bellflower, Campanula persicifolia, and its flower.
3.NounA plant, Psilostrophe cooperi, and its flower.
4.NounUsed other than figuratively or idiomatically: see paper, flower."He was wearing a red paper flower in his lapel."