Brassia

From Gardenology.org - Plant Encyclopedia and Gardening Wiki
Revision as of 10:57, 13 February 2010 by Murali.lalitha (talk | contribs)
Jump to navigationJump to search


Upload.png


Plant Characteristics
Cultivation
Scientific Names

Brassia >


If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!



Read about Brassia in the Standard Cyclopedia of Horticulture 

Brassia (named in honor of William Brass, a botanical collector of the last century). Orchidaceae. Epiphytic orchids, thriving in intermediate temperatures.

Pseudobulbs bearing 1 or 2 terminal Lvs., and lateral or axillary racemes: sepals narrow, acuminate, or sometimes tailed, spreading, equal or the lateral longer; petals similar to the dorsal sepal or smaller; lip sessile on the foot of the column, spreading, flat, entire, shorter than the sepals; pollinia 2, waxy.—A genus of about 30 species extending from Mex. to Brazil and the W. Indies.

The brassias are plants of easy culture and add considerable interest to collections. They have little value as a florists' flower since the colors are not suitable, but a well-grown specimen, such as is often seen in old gardens, makes a most attractive object. The long-tailed sepals and petals are a characteristic of the brassias, and some have an agreeable odor. Pot culture is best, with the usual peat fiber as a rooting medium. In winter-time much less water is necessary than in the growing time, although the plants must never be dried off completely or the flowering will be interfered with. One often sees plants of B. maculata brought here by visitors to Jamaica, and other species are now introduced there from the mainland of South America, and thrive well. These may all be grown in an ordinary greenhouse with other plants, in fact a mixed collection, and give satisfaction. Propagation is effected by division only. Green-fly is often troublesome on the young flower-spikes and must be kept down by fumigation, or sponge dipped in soapy water. (Orpet.)


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.



Brassia
Brassia arcuigera
Brassia arcuigera
Plant Info
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family: Orchidaceae
Tribe: Cymbidieae
Subtribe: Oncidiinae
Genus: Brassia
R.Br., 1813

Type Species
Brassia maculata
R.Br. in W.T.Aiton (1813)
Species
See text

Brassia is a genus of orchids classified in the Oncidiinae subtribe. The genus was named after William Brass, a British botanist and illustrator, who collected plants in Africa under the supervision of Sir Joseph Banks. Its abbreviation in the horticultural trade is Brs.

Description

Brassia species and its popular hybrids are common in cultivation, and are notable for the characteristic long and spreading tepals (in some clones longer than 50 cm), which lend them the common name "spider orchid".

This epiphytic genus occurs in South Florida, the West-Indies and tropical America, in wet forests from sea level to altitudes under 1500 m, with the Peruvian Andes as its center. Occurrence is mostly restricted to a certain area, but Brassia caudata can be found over the whole geographic area.

They have large elliptic-oblong pseudobulbs with one or two leaves at the apex, lateral, unbranched many-flowered inflorescences with small floral bracts. The lip is not attached to the column. The pollinarium shows a narrow stipe. There are two distichous, foliaceous sheaths around the base, from which the inflorescence emerges.

Brassia has a very specific method for pollination : it uses entomophily : pollination by insects and in this case specifically by female spider-hunter wasps of the genera Pepsis and Campsomeris. Mistaken by the mimicry of Brassia, the wasp stings the lip, while trying to grasp its prey without any success. By these movements the wasp comes into contact with the pollinarium, that then sticks to its head. By flying to another Brassia flower, this flower gets pollinated.

Species

Intergeneric hybrids

  • xAlexanderara (Brassia x Cochlioda x Odontoglossum x Oncidium)
  • xAliceara (Brassia x Miltonia x Oncidium)
  • xBakerara (Brassia x Miltonia x Odontoglossum x Oncidium)
  • xBanfieldara (Ada x Brassia x Odontoglossum )
  • xBeallara (Brassia x Cochlioda x Miltonia x Odontoglossum )
  • xBrapasia (Aspasia x Brassia)
  • xBrassada (Ada x Brassia)
  • xBrassidium (Brassia x Oncidium)
  • xBrassioda (Brassia x Cochlioda)
  • xBrassochilus (Brassia x Leochilus)
  • xBrilliandeara (Aspasia x Brassia x Cochlioda x Miltonia x Odontoglossum x Oncidium)
  • xCrawshayara (Aspasia x Brassia x Miltonia x Oncidium)
  • xDegarmoara (Brassia x Miltonia x Odontoglossum )
  • xDerosaara (Aspasia x Brassia x Miltonia x Odontoglossum )
  • xDuggerara (Ada x Brassia x Miltonia)
  • xEliara (Brassia x Epidendrum x Laelia x Sophronitis)
  • xForgetara (Aspasia x Brassia x Miltonia)
  • xGoodaleara (Brassia x Cochlioda x Miltonia x Odontoglossum x Oncidium)
  • xHamiltonara (Ada x Brassia x Cochlioda x Odontoglossum )
  • xJohnkellyara (Brassia x Leochilus x Oncidium x Rodriguezia)
  • xMaclellanara (Brassia x Odontoglossum x Oncidium)
  • xMiltassia (Brassia x Miltonia)
  • xNorwoodara (Brassia x Miltonia x Oncidium x Rodriguezia)
  • xOdontobrassia (Brassia x Odontoglossum)
  • xPettitara (Ada x Brassia x Oncidium)
  • xRoccaforteara (Aspasia x Brassia x Cochlioda x Odontoglossum)
  • xRodrassia (Brassia x Rodriguezia)
  • xRohriara (Ada x Aspasia x Brassia)
  • xSanderara (Brassia x Cochlioda x Odontoglossum)
  • xSauledaara (Aspasia x Brassia x Miltonia x Oncidium x Rodriguezia)
  • xSchafferara (Aspasia x Brassia x Cochlioda x Miltonia x Odontoglossum)
  • xShiveara (Aspasia x Brassia x Odontoglossum x Oncidium)
  • xWingfieldara (Aspasia x Brassia x Odontoglossum)

Gallery

  • Brassia girouldiana

  • Brassia maculata

References

  • Pupulin, F. and Bogarin, D.: The genus Brassia in Costa Rica : A survey of four species and a new species ; Lindleyana, March 2005 - - On line [1]
  • Dressler, R.L., and N.H. Williams. 2003. New combinations in Mesoamerican Oncidiinae (Orchidaceae). Selbyana 24(1):44–45.
  • van der Pijl, L., and C.H. Dodson. 1966. Orchid Flowers: Their Pollination and Evolution. University of Miami Press, Coral Gables.

See also

Template:Commons

Retrieved from "http://gardenology.mywikis.net/w/index.php?title=Brassia&oldid=96070"