Orchid | Definition, Flowers, & Facts | Britannica
网页2024年8月16日 · Orchid, any of nearly 1,000 genera and more than 25,000 species of attractively flowered plants distributed throughout the world, especially in wet tropics. Orchidaceae is a member of Asparagales, an order of monocotyledonous flowering plants that also includes the asparagus and iris families.
list of plants in the family Orchidaceae - Encyclopedia Britannica
网页The orchid family (Orchidaceae) is the second largest family of flowering plants, with about 880 genera and some 26,000 species distributed nearly worldwide. Orchids are perennial herbs and feature unusual bilaterally symmetric flowers, with masses of pollen known as pollinia, and tiny, dustlike.
Introduction to Orchids - American Orchid Society
网页The orchid family (Orchidaceae) is the largest flowering plant family on earth with about 28,000 species. It is also one of the oldest plant families – developing about 100-125 million years ago in the Late Cretaceous Period.
Comprehensive phylogenetic analyses of Orchidaceae using …
网页2023年2月4日 · Orchidaceae (with >28,000 orchid species) are one of the two largest plant families, with economically and ecologically important species, and occupy global and diverse niches with primary distribution in rainforests.
Introduction to Orchid Plants - SpringerLink
网页2023年12月6日 · Orchidaceae are monocotyledonous plants and among the largest families of angiosperms. There are five subfamilies, more than 27,500 species in 800 genera around the world, which have important ornamental, medicinal, and scientific values.
An updated classification of Orchidaceae - Chase - 2015
网页Since the last classification of Orchidaceae in 2003, there has been major progress in the determination of relationships, and we present here a revised classification including a list of all 736 currently recognized genera.
Orchidaceae - SpringerLink
网页2018年6月14日 · A diagnostic description of the family is given with special emphasis on the occurrence of succulence. This is followed by information on the ordinal placement, a selection of important literature, and information on …
An updated classification of Orchidaceae - Oxford Academic
网页2015年1月29日 · Orchidaceae are one of the two largest families of flowering plants, and are perhaps second only to Asteraceae (The Plant List, 2014). New species are being described in both families at a rate of roughly 500 per year.
Orchidaceae - SpringerLink
网页2017年11月11日 · Orchidaceae, commonly known as the orchid family, one of the two largest families (another is Asteraceae), in the order of Asparagales, is a family of monocotyledonous flowering plants, including about 763 genera, consisting of approximately 28,000 known species,...
Orchid - Morphology, Pollination, Adaptations | Britannica
网页2024年8月16日 · The sepals and petals are usually quite distinct and the petal opposite the fertile stamen is called the lip, or labellum. A characteristic of the orchid family is that the fertile stamen or stamens are on one side of the flower opposite the lip, making the flower bilaterally symmetrical.
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