| Aa matthewsii | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Cranichideae |
| Genus: | Aa |
| Species: | A. matthewsii |
| Binomial name | |
| Aa matthewsii Schltr., 1912 | |
Aa matthewsii is a species of orchid in the genus Aa. [1] It is found in Peru and western Bolivia.
Orchids are plants that belong to the family Orchidaceae, a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant.
Bulbophyllum is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is the largest genus in the orchid family and one of the largest genera of flowering plants with more than 2,000 species, exceeded in number only by Astragalus. These orchids are found in diverse habitats throughout most of the warmer parts of the world including Africa, southern Asia, Latin America, the West Indies, and various islands in the Indian and Pacific Oceans. Orchids in this genus have thread-like or fibrous roots that creep over the surface of trees or rocks or hang from branches. The stem is divided into a rhizome and a pseudobulb, a feature that distinguished this genus from Dendrobium. There is usually only a single leaf at the top of the pseudobulb and from one to many flowers are arranged along an unbranched flowering stem that arises from the base of the pseudobulb. Several attempts have been made to separate Bulbophyllum into smaller genera, but most have not been accepted by the World Checklist of Selected Plant Families.
Aa is a genus of plants of the family Orchidaceae.
Epidendroideae is a subfamily of plants in the orchid family, Orchidaceae. Epidendroideae is larger than all the other orchid subfamilies together, comprising more than 15,000 species in 576 genera. Most epidendroid orchids are tropical epiphytes, typically with pseudobulbs. There are, however, some terrestrials such as Epipactis and even a few myco-heterotrophs, which are parasitic upon mycorrhizal fungi.
Caladenia, commonly known as spider orchids, is a genus of 350 species of plants in the orchid family, Orchidaceae. Spider orchids are terrestrial herbs with a single hairy leaf and a hairy stem. The labellum is fringed or toothed in most species and there are small projections called calli on the labellum. The flowers have adaptations to attract particular species of insects for pollination. The genus is divided into three groups on the basis of flower shape, broadly, spider orchids, zebra orchids and cowslip orchids, although other common names are often used. Although they occur in other countries, most are Australian and 136 species occur in Western Australia, making it the most species-rich orchid genus in that state.
Nervilia concolor, commonly known as the tall shield orchid and as Nervilia aragoana in Australia is a small terrestrial orchid found in South and Southeast Asia and in northern Australia. It has pale green, short-lived flowers with a cream-coloured or yellowish labellum and a more or less circular leaf which emerges at the base of the flowering stem after flowering.
Aa colombiana is a species of orchid in the genus Aa. It is found in Colombia and Ecuador at altitudes of 2900 to 4300 meters.
Aa achalensis is a species of orchid in the genus Aa.
Aa maderoi is a species of orchid in the genus Aa. It is native to Ecuador, Colombia, and Venezuela.
Aa rosei is a species of orchid in the genus Aa. It is endemic to Peru.
Aa denticulata is a species of orchid in the genus Aa. It is found in Colombia and Ecuador. It blooms in the winter.
Aa macra is a species of orchid in the genus Aa. It is found in Ecuador.
Aa lorentzii is a species of orchid in the genus Aa. It is endemic to Argentina.
Aa mandonii is a species of orchid in the genus Aa.
Aa erosa is a species of orchid in the genus Aa. It is endemic to Peru and blooms in late winter and early spring.
Myrosmodes nervosa is a species of orchid in the genus Myrosmodes.
Aa calceata is a species of orchid in the genus Aa.
Aa leucantha is a species of orchid in the genus Aa.
Aa figueroi is a species of orchid in the genus Aa.
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