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, 06:04, 26 June 2007
{{Taxobox
| color = lightgreen
| name = Ada
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Monocotyledon|Liliopsida]]
| ordo = [[Asparagales]]
| familia = [[Orchidaceae]]
| subfamilia = [[Epidendroideae]]
| tribus = Cymbidieae
| subtribus = Oncidiinae
| alliance = Oncidium
| genus = '''''Ada'''''
| genus_authority = [[John Lindley|Lindl.]]
| subdivision_ranks = Species
| subdivision =
See text.
}}
'''''Ada''''' [[John Lindley|Lindl.]] 1854, is a genus of 16 species in the orchid family ([[Orchidaceae]]), subfamily [[Epidendroideae]], tribe Cymbidieae, subtribe Oncidiinae, alliance Oncidium. The type species is ''Ada aurantiaca''.
These are [[epiphyte|epiphytic]]orchids, though a few are [[lithophyte|lithophytic]]. They are native to [[Nicaragua]] down to northern [[South America]], down the [[Andes]] to [[Bolivia]]. They are warm to cool-growing plants to be found in wet, montane forests at higher elevations, between 650 and 2700 m, but most between 1800 to 2200 m.
The lanceolate [[Leaf|leaves]] are distichous (growing in two ranks) with a length of 20 cm, growing on [[pseudobulb]]s with a maximum length of 10 cm. The foliaceous leaf sheaths are well-developed.
The pendent and spectacularly colorful [[inflorescence]]s do not grow above the leaves. They can produce up to 15 fragrant flowers, blooming from January till April. The color can vary from white to greenish and orange. The [[perianth]] is narrow and pointed, with almost similar [[sepal]]s and [[petal]]s.. The floral [[bract]]s are large and inflated.
The [[labellum|lip]] is reflexed. It bears a basal callus made up of two plates. It often ends in two tooth-like mounds.
''Ada'' uses a "pseudoparasitism" method of attracting parasite [[pollinator]]s, by mimicking their host.
They are not easy to cultivate, because of their high demands.
== Species ==
*''Ada allenii'' : Allen’s Ada (Panama).
*''Ada andreettae'' (Ecuador).
*''Ada aurantiaca'' : Red-orange Ada (NW. Venezuela to Ecuador).
*''Ada bennettiorum'' : Bennett’s Ada (Peru).
*''Ada brachypus'' (Ecuador to Bolivia).
*''Ada chlorops'' (C. America).
*''Ada elegantula'' : Elegant Ada (Colombia to Peru).
*''Ada escobariana'' (Colombia).
*''Ada farinifera'' (Ecuador).
*''Ada glumacea'' : Ada with Spelts (W. South America to Venezuela).
*''Ada keiliana'' : Dr. Keil's Ada (Colombia to Guyana).
*''Ada mendozae'' (Ecuador)
*''Ada ocanensis'' : Ocana Ada (W. South America to Venezuela).
*''Ada peruviana'' (Peru).
*''Ada pozoi'' : Pozo’s Ada (Ecuador to Peru).
*''Ada rolandoi'' : (Peru).
== Reference ==
Williams, N. H. 1972. A reconsideration of Ada and the glumaceous brassias. Brittonia 24: 93–110.
== External links ==
*[http://www.orchids.co.in/orchid-plant/ada-aurantiaca.shtm - Ada Aurantiaca Orchid]
[[Category:Orchid genera]]