2. Orchids are monocotyledonous plants, orchids and orchids. Epiphytic or terrestrial herbs, with several or at most several leaves, usually born in the base or lower node of pseudobulb, two rows, banded or rarely oblanceolate to narrowly elliptic, with a broad leaf sheath around the base and a joint. There are several flowers in the raceme, and the colors are white, pure white, white green, yellow-green, yellow-yellow, yellow-brown, yellow, red, cyan and purple. Orchids among the traditional famous flowers in China only refer to some terrestrial orchids distributed in China, such as Cymbidium hybridum, Cymbidium hybridum, Cymbidium hybridum, commonly known as "China Orchids".