Orchidaceae tubers after detecting the plants underground by scent. Orchids have been used in traditional medicine in an effort to treat many diseases and ailments. They have been used as a source of herbal remedies in China since 2800 BC. "Gastrodia elata" is one of the three orchids listed in the earliest known Chinese Materia Medica ("Shennon bencaojing") (c. 100 AD). Theophrastus mentions orchids in his "Enquiry into Plants" (372–286 BC). Orchids have many associations with symbolic values. For example, the orchid is the City Flower of Shaoxing, China. "Cattleya mossiae" is the national Venezuelan flower, while "Cattleya trianae" is the
Cattleya labiata = 21 and 21. Cattleya labiata Cattleya labiata, also known as the crimson cattleya or ruby-lipped cattleya, is the type species of "Cattleya", discovered in 1818 in Brazil. This plant grows in the northeastern area of Brazil, in the states of Pernambuco and Alagoas. They grow to different sizes depending on the area from which they originate. Those that are growing in Pernambuco are smaller, with small but colored flowers, with most of them being lilac. The interior part of the flower is a dark lilac color. Plants from Alagoas are bigger and have larger flowers. Some varieties, such as