Aerides
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Aerides, known commonly as cat's-tail orchids and fox brush orchids, is a genus belonging to the orchid family (Orchidaceae, subfamily Epidendroideae, tribe Vandeae, subtribe Aeridinae). It is a group of tropical epiphyte orchids that grow mainly in the warm lowlands of tropical Asia from India to southern China to New Guinea.<ref name="melissa">Kew World Checklist of Selected Plant Families</ref><ref>Flora of China v 25 p 485, 指甲兰属 zhi jia lan shu, Aerides Loureiro, Fl. Cochinch. 2: 525. 1790. </ref> They are valued in horticulture for their racemes of showy, fragrant, colorful flowers.<ref name="BanksDavid">Template:Citation</ref>
The name of the genus refers to the epiphytic growth habit of the species,<ref name="species-specific">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and literally means "air-plant".<ref name='BanksDavid' /> The type species, Aerides odorata, was described by João de Loureiro in 1790.<ref name="species-specific" /> This genus is abbreviated Aer in the horticultural trade.
DescriptionEdit
The species in this genus range from small to large monopodial epiphytes, except for Aerides krabiensis, which is a lithophyte.<ref name="BanksDavid" /> They form pendulous racemes with many long-lasting, fragrant, waxy flowers, which are often white with purple or pink edges. Some species have purple or pink flowers, and a few have yellow. Each flower has a forward-facing spur and grows on a sharp, stout, leafy stem.<ref name='Peter'/><ref name=Kramer2006 >Template:Citation</ref> The leaves are distichous, growing in two vertical rows. The leaf margins are bilobed, and the apex is emarginate. There are ligules. Morphologically, they are very similar to species in the genus Vanda.<ref name='Peter'/>
HabitatEdit
The genus grows in the tropics of Asia, in India, Nepal, southern China, Southeast Asia, the Philippines, and New Guinea.<ref name="melissa"/> They flower from June to July.<ref name='Peter'>Template:Citation</ref> Temperature requirements vary from cool to warm growing depending on the species.
CultivationEdit
Most Aerides species are considered easy to grow. Their flowers are fragrant and long-lived, which make them popular in horticulture as cut flowers and potted plants.<ref name="BanksDavid" /> Aerides can be kept in hanging baskets, teak containers or net pots, which allow the roots to extend into the air. They grow best in well-drained media, such as tree fern fibers, fir bark, and sphagnum moss. They require full sunlight, warm temperatures, and water applied to the roots.<ref name="species-specific" /> The plants do not tolerate disturbance or damage of their root systems in cultivation.<ref>Illustrated Encyclopedia of Orchids Template:ISBN</ref>
The plants do not have pseudobulbs. The leaves are leathery and drought-resistant. Many of these species have a monopodial vine-like growth habit, and the plants can quickly grow large.
SpeciesEdit
The following species are recognized as of June 2014,<ref name="melissa"/> all monopodial epiphytic plants except the lithophyte A. krabiense.
- Aerides augustiana Rolfe - Philippines
- Aerides crassifolia C.S.P.Parish ex Burb. - Assam, Indochina
- Aerides crispa Lindl. - western India
- Aerides emericii Rchb.f. - Andaman and Nicobar Islands
- Aerides falcata Lindl. & Paxton - Yunnan, Indochina
- Aerides houlletiana Rchb.f. - Indochina
- Aerides huttonii (Hook.f.) J.H.Veitch - Sulawesi
- Aerides inflexa Teijsm. & Binn. - Borneo, Sulawesi
- Aerides × jansonii Rolfe - Myanmar (A. falcata × A. odorata)
- Aerides krabiense Seidenf. - Thailand, Peninsular Malaysia
- Aerides lawrenceae Rchb.f. - Philippines
- Aerides leeana Rchb.f. - Philippines
- Aerides macmorlandii B.S.Williams - India
- Aerides maculosa Lindl. - India
- Aerides multiflora Roxb. - India, Himalayas, Nepal, Bhutan, Assam, Andaman Islands, Indochina
- Aerides odorata Lour. - Yunnan, Guangdong, India, Himalayas, Bangladesh, Nepal, Andaman & Nicobar Islands, Indochina, Philippines, Malaysia, Indonesia
- Aerides orthocentra Hand.-Mazz. - Yunnan
- Aerides quinquevulnera Lindl. - Philippines, New Guinea
- Aerides ringens (Lindl.) C.E.C.Fisch. in J.S.Gamble - India, Sri Lanka, Andaman Islands
- Aerides roebelenii Rchb.f. - Philippines
- Aerides rosea Lodd. ex Lindl. & Paxton - Guangxi, Guizhou, Yunnan, Bhutan, Assam, India, Laos, Myanmar, Thailand, Vietnam
- Aerides rubescens (Rolfe) Schltr. - Vietnam
- Aerides savageana A.H.Kent in H.J.Veitch - Philippines
- Aerides shibatiana Boxall ex Náves in F.M.Blanco - Philippines
- Aerides sukauensis Shim - Sabah
- Aerides thibautiana Rchb.f. - Sulawesi
- Aerides timorana Miq. - Timor† (apparently extinct; not collected since 1849)
HybridsEdit
Natural hybrids include Aerides × jansonii, a cross between Aerides falcata and Aerides odorata.
Many hybrids have been made between Aerides and other orchids. The horticultural specimen × Christieara is a three-way hybrid between Aerides, Vanda, and Ascocentrum. Hybrids come in a wide range of colors due to the high degree of genetic diversity.<ref name="BanksDavid" />