Which flowering plant is native to Central America, Helictotrichon or Odontonema?
Odontonema Odontonema, the toothedthreads, is a genus of flowering plants in the bear's breeches family, Acanthaceae. It is native to Central America.
Cochleanthes The genus Cochleanthes is made up of 4 species of orchids native to Mexico, Central America, the West Indies and South America. The name "Cochleanthes" refers to the shape of the flower (in Greek, "cochlos" means "shell" and "anthos" means "flower").