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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.
Orchideae is a tribe of orchids in the subfamily Orchidoideae.Historically, it was divided into 2 subtribes, Orchidinae and Habenariinae. The subtribe Orchidinae alone contains about 1,800 species. [1]
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]
The subfamily Orchidoideae and the previously recognized subfamily Spiranthoideae are considered the closest allies in the natural group of the monandrous orchids because of several generally shared characters: a shared terrestrial habit; sectile (capable of being severed) or granular pollinia; erect anthers.
Phalaenopsis (/ ˌ f æ l ɪ ˈ n ɒ p s ɪ s /), also known as moth orchids, [2] is a genus of about seventy species of plants in the family Orchidaceae.Orchids in this genus are monopodial epiphytes or lithophytes with long, coarse roots, short, leafy stems and long-lasting, flat flowers arranged in a flowering stem that often branches near the end.
Dendrobium nobile is a sympodial orchid that forms pseudobulbs. When the mother plant's life cycle ends, it produces offsets, continuing the plant's life. The new plant then repeats this cycle. Its inflorescence is erect, with blooms forming along the length of the flowering stem.
3. Encyclia Orchids. Upon first glance, this flower resembles an octopus thanks to its dangling petals and sepals. Besides their unique and aquatic-like appearance, their leaves are also statement ...
Phalaenopsis orchid. Orchidales is an order of flowering plants. In taxonomical systems, this is a relatively recent name as early systems used descriptive botanical names for the order containing the orchids. [1] The Bentham & Hooker and the Engler systems had the orchids in order Microspermae while the Wettstein system treats them as order ...