- arranged in two bundles or sets by the fusion of the filaments: said of stamens
- having the stamens so arranged, as in the sweet pea
Origin of diadelphousfrom di- + Classical Greek adelphos, brother (see monadelphous) + -ous
Having the filaments of a flower united into two groups: diadelphous stamens.
Origin of diadelphousdi- 1Greek adelphos brother
- Said of either a flower of a plants bearing such flowers.