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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.
When he published his classification, only about 20,000 species of orchids were known. Several thousand have been described since then. [15] A distinction between monandrous flowers and others is especially important in the classification of orchids. A monandrous flower is one that has only a single stamen. The flowers are monandrous in the ...
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 ...
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.
The pollination of orchids represents a complex aspect of the biology of this plant family, characterized by intricate flower structures and diverse ecological interactions with pollinator. Notably, the topic has garnered significant scientific interest over time, including the attention of Charles Darwin , who is recognized for his ...
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 ...
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.
Orchis is a genus in the orchid family (Orchidaceae), occurring mainly in Europe and Northwest Africa, and ranging as far as Tibet, Mongolia, and Xinjiang. [1] The name is from the Ancient Greek ὄρχις orchis , meaning "testicle", from the appearance of the paired subterranean tuberoids .