Question: Which has more species, Erythrina or Thalia?
Sentence (from "Erythrina herbacea"): Various other systematic names have been used for this plant in the past, including "Erythrina arborea", "Erythrina hederifolia", "Erythrina humilis", "Erythrina rubicunda", "Corallodendron herbaceum" and "Xyphanthus hederifolius".
Relevant evidence: No