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.
Trochodendron aralioides Trochodendron aralioides, sometimes colloquially called "wheel tree", is a flowering plant and the sole living species in the genus "Trochodendron", which also includes several extinct species. It was also often considered the sole species in the family Trochodendraceae, though botanists now include the distinct genus "Tetracentron" in the same family. "T.aralioides" is native to Japan, southern Korea and Taiwan.