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The Collaborative International Dictionary
Oncidium

Oncidium \On*cid"i*um\, n. [NL.] (Bot.) A genus of tropical orchidaceous plants, the flower of one species of which ( Oncidium Papilio) resembles a butterfly.

Wiktionary
oncidium

n. (context botany English) Any of the genus (taxlink Oncidium genus) of tropical orchidaceous plants.

WordNet
oncidium

n. any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants [syn: dancing lady orchid, butterfly plant, butterfly orchid]

Wikipedia
Oncidium

Oncidium, abbreviated as Onc. in the horticultural trade, is a genus that contains about 330 species of orchids from the subtribe Oncidiinae of the orchid family ( Orchidaceae). As presently conceived (May 2014), it is distributed across much of South America, Central America, Mexico and the West Indies, with one species (O. ensatum) extending into Florida. Common names for plants in this genus include dancing-lady orchid and golden shower orchid.

In 2008, Oxfords Annals of Botany labeled the Oncidium alliance "grossly polyphyletic." The American Orchid Society labeled this genus a "dumping ground." After DNA testing and much debate, a consensus was announced (April 2013) resulting in major taxonomic changes to Oncidium, Gomesa, Odontoglossum, Miltonia, and others. Much of this debate and subsequent housekeeping was initiated by significant research for the scientific publication Genera Orchidacearum Volume 5. As a result, much of the information in this article is now deprecated, but still of great value. One significant change is the move of most Brazilian Oncidium with a fused lateral sepal to the genus Gomesa. The Royal Horticultural Society system, the World Checklist of Monocots database at http://apps.kew.org/wcsp/home.do and the American Orchid Society have already updated their databases to reflect most of these changes.

Usage examples of "oncidium".

Once the Duke had been smitten by the oncidium, however, he instructed Joseph Paxton, the head gardener at his estate Chatsworth, in Derbyshire, to begin acquiring orchids.

He pointed at a large oncidium with two dancing sprays of mothlike blooms in brown, pink, and lavender.

The oncidium had produced a new plant, and rested, and now that trouble showed up, and a temporary glut of water, he was sure a number of the rest of the collection would soon think about blooming.

Upstairs, in the plant rooms on the roof, glazed in, where Wolfe kept his ten thousand orchids, I found him in the middle room turning some off-season Oncidiums that were about to bud, while Horstmann fussed around with a pot of charcoal and osmundine.

I wanted to reach out and tip over one of the Oncidiums, but decided it wouldn't be diplomatic, so I faded.

Inside the door of the first room, which had Odontoglossums, Oncidiums, and Miltonia hybrids, Rowcliff and the dick stopped short.