Vivianiaceae is a family of flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

s placed in the order Geraniales

Geraniales

Geraniales are a small order of flowering plants, included within the rosid subgroup of dicotyledons. The largest family in the order is Geraniaceae with over 800 species. In addition, the order includes some small families, contributing together another less than 40 species...

. The family name is derived from the genus Viviania Cav

Antonio José Cavanilles

Antonio José Cavanilles was a leading Spanish taxonomic botanist of the 18th century. He named many plants, particularly from Oceania, his name is abbreviated as Cav...

. It includes both the genus Viviania ("te de burro") and genus Caesarea Cambess.

There are around 1-4 genera in Vivianiaceae (Araeoandra, Caesarea, Cissarobryon, Viviania; with all of four genera can be merged into one genus), if included Ledocarpaceae

Ledocarpaceae

Ledocarpaceae is a flowering plant family of shrubs native to western South America.-References:* in Stevens, P. F. ....

 then including genera such as Balbisia (incl. Ledocarpon), Rhinchotheca, and Wendtia.

A relationship with Caryophyllales

Caryophyllales

Caryophyllales is an order of flowering plants that includes the cacti, carnations, amaranths, ice plants, and many carnivorous plants. Many members are succulent, having fleshy stems or leaves.-Description:...

, was formerly suggested; but morphology (S-plastids) and chemistry are close to Geraniales.

External links

• Thorne RF & J. L. Reveal 2007. An Updated Classification of the Class Magnoliopsida (“Angiospermae”)