Which plant consists of more species and is native to over 7 different countries, Arachnis or Callistephus?
Arachnis (plant): The genus Arachnis, abbreviated as Arach in horticultural trade, (scorpion orchid,) is a member of the Orchid family (Orchidaceae), consisting of more than 20 species native to China, India, Southeast Asia, Indonesia, the Philippines, New Guinea, and the Solomon Islands. Callistephus:  It is native to China and Korea.
Arachnis