1, flowers with different colors The flowers of alfalfa buds are purple, while the flowers of alfalfa grass are white.

2. Alfalfa buds with different edibility can be eaten, but alfalfa grass cannot be eaten.

3. Alfalfa buds belonging to different families are leguminous plants, while alfalfa is herbaceous plants.

4. Different growing environments Alfalfa buds are planted all over the country, growing in fields, roadsides, wilderness, grasslands, river banks and valleys. Alfalfa is mainly distributed in temperate zone to tropical zone, and it is semi-autogenous in wet grassland, river bank and roadside.