Onc. ampliatum photo by Lourens Grobler

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Orchid Species: Rossioglossum ampliatum

(This name is currently accepted by Kew.)

Rossioglossum ampliatum is an orchid species identified by (Lindl.) M.W.Chase & N.H.Williams in 2008.
Genus
Rossioglossum (Ros.)
Grex
ampliatum
(name currently accepted by Kew)
Parents
Species
Author
(Lindl.) M.W.Chase & N.H.Williams
Year
2008
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ORIGIN: Found in the hot lowland areas of Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru and Venezuela and Trinidad occurring in dry deciduous to semideciduous forests at elevations of sea-level to 1000 meters.

DESCRIPTION: Medium sized, hot to warm growing epiphyte with large, oval, ridged, compressed, dark green mottled purple-brown pseudobulbs subtended by caducous bracts with two apical, elliptic leaves that are apically rounded or obtuse that blooms in the fall through the spring with a raceme or panicle that has a basal, erect or arching, to 4' [120 cm] long, many to few flowered inflorescence arising as the new growth matures.

FLOWER SIZE: 1 inch [2.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Oncidium Onc ampliatum-majus 1878 F.Buyss.
Add+ Chelyorchis Cly ampliata 2000 (Lindl.) Dressler & N.H.Williams in G.A.Romero & G.Carnevali
Add+ Oncidium Onc bernoullianum 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Oncidium Onc gyrobulbon 1869 Rchb.f.
Add+ Oncidium Onc ampliatum 1833 Lindl.
Most awarded/recent cultivars: Onc. ampliatum h.f. majus 'Yvonne' (2 awards in 2005) Onc. ampliatum var. majus 'Botanical Bliss' (2 awards in 2003) Onc. ampliatum var. majus 'Orchid Lady' (2 awards in 1998) Onc. ampliatum 'Strub' (2018) Ros. ampliatum 'Eunice's Sunshine' (2016) Ros. ampliatum 'Colleen' (2016) Ros. ampliatum 'Herrenhausen' (2013) Cly. ampliata 'Brikam' (2013) Cly. ampliata 'At Last' (2007) Cly. ampliata 'Javier Salcedo Moore' (2003) Onc. ampliatum 'Santa Barbara' (1999) Onc. ampliatum 'Margaret Chin' (1998) Onc. ampliatum 'Merienda Lane' (1998) Onc. ampliatum 'Walters' (1993) Onc. ampliatum 'Murner's Gold' (1993) Onc. ampliatum 'Dottie' (1993) Onc. ampliatum 'Ginger' (1992) Onc. ampliatum var. majus 'Bill Teel' (1986) Onc. ampliatum 'Peggy Richardson' (1981) Onc. ampliatum var. majus 'Yellow Ribbon' (1981)
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