Miltoniopsis vexillaria

The plants are pale green and about {{convert|12|in|mm}} tall. Inflorescences are about {{convert|12|in|mm}} long and carry up to four blossoms. The large, showy flowers are {{convert|2|in|mm}} – {{convert|4|in|mm}} across. They may be pink, often with white margins on the segments, or they may be white, sometimes with a pink flush or pink stripes. The lip, which has yellow markings at the base, is also marked with maroon stripes and blotches. The blossoms are very flat.{{cite book | author= Margaret L. Baker & Charles O. Baker | title=Orchid Species Culture: Oncidium/Odontoglossum Alliance| publisher=Timber Press | year=2006|pages=352 | isbn=0-88192-775-9}}

Miltoniopsis vexillaria is found in isolated patches in the central mountain region of Colombia and on the western slopes of the Cordillera Occidental from the department of Antioquia in the north and also further south in northern Ecuador. It grows on the margins of montane forests at between {{convert|3600|ft|m}} and {{convert|7250|ft|m}}.{{cite book | author= Isobyl la Croix | title=The New Encyclopedia of Orchids: 1500 Species in Cultivation| publisher=Timber Press | year=2008|pages=290 | isbn=0-88192-876-3}}

Miltoniopsis vexillaria is a cool growing species and thrives in a temperate, frost-free climate. It should be grown in moderate light with intermediate to warm temperatures and requires a humidity range of 50 to 90%. During hot summers, the plant should be watered daily.{{cite web|url=http://www.cloudjungle.com/epibook/Odonto.html |title=Oncidium Alliance – Miltoniopsis vexillaria |publisher=cloudjungle.com |access-date=23 November 2008 |archive-url=https://web.archive.org/web/20080606071548/http://www.cloudjungle.com/epibook/Odonto.html |archive-date=6 June 2008 |url-status=dead }}

In the winter, when the weather is cold and dull, the plant should be watered sparingly, but the growing medium should not be allowed to dry out. The winter temperatures should not fall below 10°C (50°F), and good ventilation is essential.

Miltoniopsis vexillaria was first recorded in 1867 by the Victorian plant collector, David Bowman, who had been sent to South America by James Veitch & Sons of Chelsea, London. Bowman was unable to send a live sample back to England before he died of dysentery. Subsequently, other plant collectors, including Gustav Wallis and Benedikt Roezl, also came across the plant{{cite book | author=James Herbert Veitch | author-link=James Herbert Veitch | title=Hortus Veitchii| publisher=Caradoc Doy | year=2006|edition=reprint|pages=140| isbn=0-9553515-0-2}} but the first collector to successfully introduce it to England was Henry Chesterton. In 1870, Chesterton had been sent by Harry Veitch to Colombia with the specific instructions to locate and bring back to England "the much-talked-of and long-desired "scarlet Odontoglossum". According to the account in Hortus Veitchii:

"Provided with but the scantiest information as to the native habitat, long kept secret and shrouded in mystery, Chesterton started, and not only succeeded in discovering the plant, but safely introduced it to Chelsea, where it flowered for the

first time in 1873."{{cite book | title=Hortus Veitchii|pages=60}}

There are many cultivated varieties of M. vexillaria including:

• M. vexillaria var. Alba
• M. vexillaria var. Lambauenana
• M. vexillaria var. Leucoglossa
• M. vexillaria var. Daniela

1. Odontoglossum vexillarium Rchb.f 1867
2. Miltonia vexillaria Rchb.f Nicholson 1884 – 88

In September 2006, M. vexillaria was featured on a series of postage stamps issued by the Ecuador postal authorities.[http://www.wnsstamps.ch/en/stamps/EC073.06 Illustration of 30c postage stamp of 2006]

{{Reflist}}

{{Commons|Miltoniopsis vexillaria|Miltoniopsis vexillaria}}

{{Wikispecies|Miltoniopsis vexillaria|Miltoniopsis vexillaria}}

• [http://www.orchidspecies.com/miltvexularia.htm The Internet Orchid Species Photo Encyclopedia]
• [https://web.archive.org/web/20080929021309/http://www.peruorchids.com/galeria/m/miltoniopsis/miltoniopsis-vexillaria.htm Entry on www.peruorchids.com]
• [https://web.archive.org/web/20110720162834/http://www.gardening.eu/arc/plants/Orchids/Miltonia-vexillaria-Rchb.-f.-G.-Nicholson/44525/ Article on www.gardening.eu]
• [http://www.herbs2000.com/flowers/o_c_oncidium.htm Article on the Oncidium Alliance Orchids]
• [https://web.archive.org/web/20050128002620/http://www.angelfire.com/or3/orchidsnz/scribblings/mm2.htm Miltonia and Miltoniopsis – The Species]
• [http://orchid.unibas.ch/phpMyHerbarium/300722/1/Miltoniopsis/vexillaria/Reichenbach_Heinrich_Gustav/specimen.php Illustration from 1875]

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vexillaria

Category:Orchids of Colombia

Category:Orchids of Ecuador

Category:Veitch Nurseries