Which genus was described first, Ixiolirion or Allosyncarpia?
Ixiolirion Ixiolirion is a genus of flowering plants native to central and southwest Asia, first described as a genus in 1821. Recent classifications place the group in the monogeneric family Ixioliriaceae in the order Asparagales of the monocots. In earlier systems of classification, it was usually placed in the family Amaryllidaceae.
Hemipogon (plant) Hemipogon is a genus of flowering plants formerly belonging to the plant family Asclepiadaceae, now considered to be part of Apocynaceae, first described as a genus in 1844. It is native to South America.