1' | Perianth dichlamydeous, with the calyx reduced to a limb at the apex of the ovary and the corolla (2.5-)10-150 mm long; flowers mostly bisexual, rarely functionally unisexual and then with vestigial organs of the other sex present and plants mostly dioecious; pollen trilobate; fruit with the viscous layer outside the vascular bundles; embryo suspensor long, multiseriate |