sentence: Many hybrids exist, both natural and created by humans.
sentences_after: Many are plants from hot humid lowland areas, but the majority are from high in the mountains where nights are cold. Nepenthes are often categorized as being lowland or highland varieties, depending on how high they live above sea level. Lowland varieties usually require high temperature and humidity levels. Highland varieties usually require warm days but cold and humid nights.
concept_name: hybrid
headings: Nepenthes
categories: Caryophyllales