Which plant consists of more species and is native to over 7 different countries, Arachnis or Callistephus?
Callistephus Callistephus is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Callistephus chinensis. Its common names include China aster and annual aster. It is native to China and Korea. and it is cultivated worldwide as an ornamental plant.
Callitris Callitris is a genus of coniferous trees in the Cupressaceae (cypress family). There are 16 recognized species in the genus, of which 13 are native to Australia and the other three ("C. neocaledonica, C. sulcata") native to New Caledonia. Traditionally, the most widely used common name is cypress-pine, a name shared by some species of the closely related genus "Actinostrobus".