Are orchids and orchid grass the same plant? A detailed explanation of the differences between the two

There is a difference between orchid grass and orchids. The leaves of orchid grass are long elliptic, lanceolate, or long elliptic-lanceolate, smooth on both sides, with small serrations along the edges; while the leaves of orchids are oblanceolate, with no serrations on the leaf margins. The flowers of orchid grass are capitula, while the flowers of orchids are racemes. It can be seen from this that an orchid is not an orchid grass, and the difference is still quite significant.

I. Are the two the same

An orchid is not an orchid grass. Although the two are very similar, there are still certain differences. Orchid grass generally refers to Zephyranthes candida, Cymbidium sinense, Cymbidium goeringii, Cymbidium faberi, and so on, while there are very many varieties of orchids. As long as it is a flower of the Orchidaceae family, it is an orchid. However, some people also classify non-flowering orchids as orchid grass.

II. Differences

1. Leaf differences: The leaves of orchid grass are long elliptic, lanceolate, or long elliptic-lanceolate. The front and back of the leaves are both very smooth, and the edges of the leaves have small serrations. The leaves of orchids are oblanceolate, growing in two rows, and the edges of the leaves are relatively smooth.

2. Flower differences: The flowers of orchid grass are capitula, mostly arranged at the top of the stem and the ends of the branches into corymbs. The diameter of the inflorescence is about 3-6 cm, and some grow to 10 cm. The flowers are white, or tinged with reddish color, and the corolla length is about 5 mm. The inflorescence of orchids is a raceme, and its flowers are bilaterally symmetrical.