Adenium and Witch-hazel are both what kind of plant?
Adenium Adenium is a genus of flowering plants in the Apocynum family, Apocynaceae, first described as a genus in 1819. It is native to Africa and the Arabian Peninsula.
Allium Allium is a genus of monocotyledonous flowering plants that includes hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. The generic name "Allium" is the Latin word for garlic, and the type species for the genus is "Allium sativum" which means "cultivated garlic".