2. Orchids are monocotyledonous plants, orchids and orchids. Epiphytic or terrestrial herbs, with several or at most leaves, usually born at the base or lower nodes of pseudobulb, two rows, banded or rarely oblanceolate to narrowly elliptic, with broad sheaths and nodes at the base around pseudobulb. 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".