What type of vegetation does Citharexylum and Cuminum have in common?
Cuminum Cuminum is a genus of four flowering plants in the family Apiaceae. The most significant is "Cuminum cyminum", source for the cumin seeds that are a popular spice.
Sichuan pepper Sichuan pepper, Sichuan peppercorn, Szechuan pepper, or Chinese coriander, is a commonly used spice in Chinese, Tibetan, Nepali, and Indian cuisine. It is derived from at least two species of the global genus "Zanthoxylum", including "Z. simulans" and "Z. bungeanum". The genus "Zanthoxylum" belongs in the rue or citrus family, and, despite its name, is not closely related to either black pepper or the chili pepper.