Peganum

Peganum L. is a genus under the recently separated family Nitrariaceae. Formerly it used to be included in the family Zygophyllaceae.

Phylogeny and Species

The genus has around five species, occurring in warm temperate to subtropical regions across the world:Peganum harmala L. — Mediterranean region east to ChinaPeganum mexicanum Gray — MexicoPeganum multisectum Bobrov — China, MongoliaPeganum nigellastrum Bunge — ChinaPeganum texanum M.E.Jones — southern North America
Phylogenetic data suggests the following relationships: