In the grass family cotyledons are called

Concept-
-The cotyledons act as a food store in plant seeds.
-Cotyledons are often fleshy and full of reserve food materials.
-Based on the number of cotyledons vascular plants can be classified as Monocot and Dicot.
-Cot word represents the cotyledons, which means an embryonic leaf.
-Two different types of cotyledon are Monocotyledons and Dicotyledons.
-Monocot-
-Monocotyledons are the angiosperms or the flowering plants in which the seeds typically contain only one embryonic leaf or Cotyledon.
-Example- Ginger, onions, wheat, and grass.
-Dicot- 
-Dicotyledons are the angiosperms or the flowering plants in which the seeds contain two embryonic leaves or cotyledons.
-Example- All legumes including beans, lentils, pea, and peanuts.