Do the genuses Arisaema and Disanthus belong to the same family?
Disanthus Disanthus is a genus containing two species of flowering plants in the family Hamamelidaceae. The type species, "Disanthus cercidifolius", was the only known species until 2017, when a second species, "Disanthus ovatifolius" was described.
Hydnoroideae Hydnoroideae is a subfamily of parasitic flowering plants in the order Piperales. Traditionally, and as recently as the APG III system it given family rank under the name Hydnoraceae. It is now submerged in the Aristolochiaceae. It contains two genera, "Hydnora" and "Prosopanche":