CARYOPHYLLIDAE
3 orders - Caryophyllales (90%), Polygonales, Plumbaginales
14 families
11,000 species
CARYOPHYLLALES
Mostly herbs, many with C4 or Crassulacean Acid Metabolism -
modification
of photosynthesis thought to be adaptive to hot and dry climates
Most members produce betalains as floral pigments instead of
anthocyanins,
this in unique in angiosperms; exceptions to betalain production are
Caryophyllaceae
and Molluginaceae
Seeds have curved embryos that surround perisperm or endosperm