Which is category of grain plants, Tabernaemontana or Elymus?
Tabernaemontana Tabernaemontana is a genus of flowering plants in the family Apocynaceae. It has a pan-tropical distribution, found in Asia, Africa, Australia, North America, South America, and a wide assortment of oceanic islands. These plants are shrubs and small trees growing to 1–15 m tall. The leaves are evergreen, opposite, 3–25 cm long, with milky sap; hence it is one of the diverse plant genera commonly called "milkwood". The flowers are fragrant, white, 1–5 cm in diameter.
Thinopyrum ponticum Thinopyrum ponticum (syn. "Agropyron elongatum", "Elymus elongatus", "Elymus obtusiflorus") is a species of grass known by the common names tall wheatgrass, rush wheatgrass, and Eurasian quackgrass. It is native to Eurasia and it has been introduced to many other parts of the world, including much of the Americas and Australia.