Task: Explanation
Input (English): Chrysanthemoides is one of eight genera of the Calenduleae, with a centre of diversity in South Africa. The genera contains only two species, but is known for the invasive "Bitou Bush" "Chrysanthemoides monilifera". Studies of this genus have determined that there is a large amount of genetic variation between populations, suggesting an extreme adaptive capability in the plants. Some of these variations are recognised, such as "Chrysanthemoides monilifera" subsp. "rotundata". Question: Which genus contains the most species, Chrysanthemoides or Phlox?  Answer: Phlox
Output (English):  The genera contains only two species, but is known for the invasive Bitou Bush Chrysanthemoides monilifera.