The Acanthaceae Family was named and described by Antione Laurent de Jussieu in Genera Plantarum in 1789.
Plants of the World Online lists 184 accepted genera in this family commonly known as the acanthus family. The Wikipedia says the family contains “almost 250 genera and about 2,500 species.” Plants of the World Online is fairly new and they are still uploading data, so their figures may change soon or the Wikipedia article isn’t up to date.
The 2013 version of The plant list names 242 genera in this family and around that many more unresolved genera (GEEZ!!!). In the accepted genera, it listed 3,947 accepted species (plus another 74 infraspecific names). It lists a total of 4,264 synonyms (species and infraspecific names combined) and 5,211 unresolved names. The last update of The Plant List was 2013 and it is no longer maintained. The website is still a good reference and a great way to compare its data with current data to show progress.
For more information about this family of plants, please click on the links below. The links take you directly to the information about the family.