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Dactylorhiza hatagirea is a species of orchid generally found growing in the Himalayas, from Pakistan to SE Tibet, at altitudes of 2,800–4,000 metres (9,200–13,100 ft). It is locally called 'salam panja' or 'hatta haddi'.
It reflects the considerable progress in orchid taxonomy that had been made since Dressler published his classification in 1993. In the 1990s, orchid taxonomy began to be influenced by molecular phylogenetics based on DNA sequences. The first molecular phylogenetic study to include a substantial sample of orchids was published in 1999. [12]
A Phalaenopsis flower. Orchids are easily distinguished from other plants, as they share some very evident derived characteristics or synapomorphies.Among these are: bilateral symmetry of the flower (zygomorphism), many resupinate flowers, a nearly always highly modified petal (labellum), fused stamens and carpels, and extremely small seeds.
Orchid mycorrhizal interactions can range from wholly parasitic on the fungal partner, to a mutualistic interaction involving bidirectional nutrient transfer between the plant and mycorrhizal fungus. [32] [33] Orchid plants have an obligatory parasitic life stage at germination where all of their nutrients must be supplied by a fungus. [34]
Dendrophylax lindenii, the ghost orchid (a common name also used for Epipogium aphyllum) is a rare perennial epiphyte from the orchid family (Orchidaceae). It is native to Florida, the Bahamas, and Cuba. [2] [4] Other common names include palm polly and white frog orchid.
Orchidelirium, also called orchidomania or orchid fever, is the name given to the Victorian era's flower madness for collecting and discovering orchids. Wealthy orchid fanatics of the 19th century sent explorers and collectors to almost every part of the world in search of new varieties and species of orchids.