2.3- Family Lactoridaceae + Overview Lactoridaceae is a family of parasiticflowering plants in the order Piperales. It was formerly placed in Aristolochiaceae, but as of the APG III (2009) is now placed alone in the family Lactoridaceae, in the order Piperales. Morphological data are not clear concerning the classification of Lactoris, but molecular data place it in the Aristolochiaceae. + Taxonomy The family Lactoridaceae has one genus: Lactoris The Genus Lactoris has one species: Lactoris fernandeziana .
2.4- Family Piperaceae + Overview The Piperaceae, also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in 13 genera. The vast majority of peppers can be found within the two main genera: Piper (2000 species) and Peperomia(1600 species). Members of the Piperaceae may be small trees, shrubs, or herbs. The distribution of this group is best described as pantropical. The most well-known species is Piper nigrum, which yields most peppercorns that are used as spices, including black pepper, although its relatives in the family include many other spices. + Taxonomy a- SubfamilyVerhuellioideae Samain & Wanke Genus 1- Verhuellia Miquel 1843 (three species) b- SubfamilyZippelioideae Samain & Wanke Genera 1- Zippellia Blume 1830 (one species) 2- Manekia Trelease 1927 (six species) c- SubfamilyPiperoideae Arnott Genera 1- Piper Linnaeus 1753 (about 2000 species) 2- Peperomia Ruiz & Pavon 1794 (about 1600 species)