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Orchid Species: Callista undulata

Kew currently accepted name is Dendrobium discolor

Callista undulata is an orchid species identified by Kuntze in 1891. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Dendrobium discolor.
Genus
Callista (Callista.)
Grex
undulata
Parents
Species
Author
Kuntze
Year
1891
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ORIGIN: Found in Queensland Australia and New Guinea and grows warm to hot as an epiphyte, as well as a lithophyte, directly on the coast in mangroves or behind dunes, where they can have salt spray as well as on cliffs and rock faces up to an altitude of 550 meters.

DESCRIPTION: The largest of the Australian Dendrobium, it has 3 varieties with 1 being extremely variable in size and color, with few to numerous, cylindrical stems that are leafy in the upper two thirds and carries distichous, ovate to elliptic, leathery, obtuse leaves that can bloom at any time of the year, with the maximum occurring in the spring on an axillary, arched, to 2' [to 60 cm] long, densely 10 to 80, fragrant flowered raceme arising from the upper portion of an old cane as the new growth arises. They receive ample water from spring until autumn and then need a distinct dryer rest in pots and some mistings if mounted with exposed roots, but in either case never allow the plant to dry out completely. This plant if not blooming needs more light. In nature it always grows in exposed high light conditions.

FLOWER SIZE: To 3 inches [to 7.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Dendrobium Den discolor 1841 Lindl.
Add+ Dendrobium Den undulatum 1810 (Ruiz & Pav.) Pers.
Add+ Dendrobium Den arachnanthe 1910 Kraenzl. in H.G.A.Engler (ed.)
Add+ Dendrobium Den broomfieldii 1888 Fitzg.
Add+ Dendrobium Den elobatum 1953 Rupp
Add+ Dendrobium Den fuscum 1879 Fitzg.
Add+ Dendrobium Den undulans 1963 Bakh.f.
Add+ Durabaculum Du albertisiana 2002 (F.Muell.) M.A.Clem. & D.L.Jones
Add+ Durabaculum Du arachnanthe 2002 (Kraenzl.) M.A.Clem. & D.L.Jones
Add+ Durabaculum Du fimbrilabium 2002 (Rchb.f.) M.A.Clem. & D.L.Jones
Add+ Durabaculum Du fuscum 2002 (Fitzg.) M.A.Clem. & D.L.Jones
Add+ Durabaculum Du undulatum 2002 M.A.Clem. & D.L.Jones
Most awarded/recent cultivars: Den. undulatum var. broomfieldii 'Big Enough' (2 awards in 1968) Den. undulatum h.v. bloomfieldii 'Santa Rosa' (2001) Den. undulatum var. broomfieldii 'Fred Maeda' (1984) Den. undulatum var. broomfieldii 'Hale' (1969)
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