‖ diplotegiaBot.|dɪpləʊˈtiːdʒɪə| Also -ium. [f. diplo- + Gr. τέγος roof, covering.] A dry dehiscent fruit with an adnate calyx. 1866Treas.Bot., Diplotegia, an inferior capsule.1870Bentley Bot. 313 Diplotegia is the only kind of inferior fruit which presents a dry dehiscent pericarp.