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There are currently no photos of plants of Dendrobium cacatua for sale by members of ORCHIDS.ORG. Below are other recent plants for sale:

B. perrinii $35.00 listed by Linda Hartman PORT ST LUCIE, USA Local Only

Dendrobium var. Love Memory 'Fizz' $30.00 listed by Eva Boczon Chicago, USA Local Only

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Orchid Species: Dendrobium cacatua

Kew currently accepted name is Dendrobium tetragonum

Dendrobium cacatua is an orchid species identified by M.A.Clem. & D.L.Jones in 1989. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Dendrobium tetragonum.
Genus
Dendrobium (Den.)
Grex
cacatua
Parents
Species
Author
M.A.Clem. & D.L.Jones
Year
1989
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ORIGIN: Comes from Queensland Australia at elevations from sea-level to 1600 meters but most often above 900 meters where it is found low on trees and occasionally it can be found on rocks.

DESCRIPTION: This medium sized, warm to cool growing epiphytic or lithophytic species comes from Queensland Australia at elevations from sea-level to 1600 meters but most often above 900 meters where it is found low on trees and occasionally it can be found on rocks. Regular watering should be made in the summer through late autumn when a lessening of water and fertilizer should occur, but never allow the medium to dry out completely. Mounting is the prefered method of cultivation so as to accomodate the pendant growth habit. It has a greenish brown, pendant stem that is wiry basally and gradually becomes 4 angled and carries 2 to 4, dark green, ovate, thin leaves that blooms on a slender, axillary, 8 [20 cm] long, few [2 to 5] flowered, racemose inflorescence occurring in the winter and early spring with flowers that are quite fragrant.

FLOWER SIZE: 2.8 inches [7 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Dendrobium Den tetragonum 1839 A.Cunn. ex Lindl.
Add+ Tetrabaculum Tbc tetragonum 2002 (A.Cunn. ex Lindl.) M.A.Clem. & D.L.Jones
Add+ Callista Callista tetragona 1891 (A.Cunn. ex Lindl.) Kuntze
Add+ Dendrobium Den capitisyork 1989 M.A.Clem. & D.L.Jones
Add+ Dendrobium Den melaleucaphilum 1989 M.A.Clem. & D.L.Jones
Add+ Dendrocoryne Dendrocoryne tetragonum 1981 (A.Cunn. ex Lindl.) Brieger in F.R.R.Schlechter
Add+ Tetrabaculum Tbc cacatua 2002 (M.A.Clem. & D.L.Jones) M.A.Clem. & D.L.Jones
Add+ Tetrabaculum Tbc capitisyork 2002 (M.A.Clem. & D.L.Jones) M.A.Clem. & D.L.Jones
Add+ Tetrabaculum Tbc melaleucaphilum 2002 (M.A.Clem. & D.L.Jones) M.A.Clem. & D.L.Jones
Add+ Tropilis Tpl tetragona 1982 (A.Cunn. ex Lindl.) Butzin
Most awarded/recent cultivars: Den. tetragonum 'Alex' (2 awards in 2018) Den. tetragonum ssp. tetragonum 'Jess' (2 awards in 2018) Den. tetragonum 'Jess' (2 awards in 2016) Den. tetragonum var. melaleucaphilum 'Dawkins' (2 awards in 2014) Den. tetragonum ssp. giganteum 'Shoalhaven' (2 awards in 2013) Den. tetragonum var. cacatua 'Bernd' (2 awards in 2013) Den. tetragonum 'Red Line' (2 awards in 2009) Den. tetragonum 'Harford' (2 awards in 2008) Den. tetragonum 'Bellingen' (2 awards in 2007) Den. tetragonum 'Memoria Matilda Ginexi' (2 awards in 2006) Den. tetragonum 'Little Red Devil' (2018) Den. tetragonum 'Joan' (2018) Den. tetragonum 'Kay's Glory' (2018) Den. tetragonum ssp. tetragonum 'Kay's Glory' (2018) Den. tetragonum ssp. tetragonum 'Lenore' (2017) Den. tetragonum 'Davis Delight' (2017) Den. tetragonum var. giganteum 'Shoalhaven' (2016) Den. tetragonum 'Rieke' (2016) Den. tetragonum 'Mandarin Explosion' (2016) Den. tetragonum var. melaleucaphilum 'Mandarin Explosion' (2016)
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