Which flowering plant is native to Central America, Helictotrichon or Odontonema?
Helictotrichon Helictotrichon (alpine oatgrass) is a genus of perennial flowering plants in the grass family.. Genus name comes from the Greek heliktos meaning twisted and trichos meaning spine, referring to the shape of the awn.
Trochodendron aralioides Trochodendron aralioides, sometimes colloquially called "wheel tree", is a flowering plant and the sole living species in the genus "Trochodendron", which also includes several extinct species. It was also often considered the sole species in the family Trochodendraceae, though botanists now include the distinct genus "Tetracentron" in the same family. "T.aralioides" is native to Japan, southern Korea and Taiwan.