Are Sprekelia and Arisaema both plants in the Amaryllis family?
Sprekelia Sprekelia is a genus of Mesoamerican plants in the Amaryllis family, subfamily Amaryllidoideae. "Sprekelia" plants are sometimes called Aztec lilies or Jacobean lilies although they are not true lilies.
Ipheion The flowering plant genus Ipheion (starflower, spring starflower) belongs to Allioideae subfamily of the Amaryllidaceae family. The World Checklist of Selected Plant Families no longer recognize the genus, regarding it as a synonym of "Tristagma", although The Plant List accepts two species.