What is the difference between orchids and bluegrass?

1. Different species: bluegrass refers to orchids, scallions, leeks and other plants, while orchids include all orchids.

2, the leaves are different: the leaves of bluegrass are oval or lanceolate, the stems and leaves are smooth, the leaf edges are serrated, and the leaves of orchids are oblanceolate or broadband, with smooth edges and no serrations.

3. Different inflorescences: the inflorescence of bluegrass is a head inflorescence, which grows at the top of branches or stems, and the orchid is a raceme with rich colors.