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.
Ampelozizyphus Ampelozizyphus is a genus of plants in the family Rhamnaceae. It includes two species "Ampelozizyphus amazonicus", which is known from Amazonian Peru, Colombia, Venezuela, Guyana, Suriname, French Guiana, and Brazil, and "Ampelozizyphus guaquirensis", native to the central portion of the Coastal Cordillera of Venezuela.