× ''Oncostele'', abbreviated ''Ons.'', is a
hybrid genus of
orchid
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Eart ...
s, used for
greges containing at least one ancestor species from the genera ''
Oncidium
''Oncidium'', abbreviated as Onc. in the horticultural trade, is a genus that, , contains about 340 species of orchids from the subtribe Oncidiinae of the orchid family Orchidaceae. It is distributed across tropical and subtropical America from ...
'' (''Onc.'') and ''
Rhynchostele
''Rhynchostele'' is a genus of flowering plants from the orchid family, Orchidaceae, native to Mexico, Central America and Venezuela.
The genus name is abbreviated as ''Rst.'' in the horticultural trade.
Species
At the present time (May 2014), 1 ...
'' (''Rst.''). The nothogenus was defined in 2003 by J. M. H. Shaw.
Greges
Over 500 greges have been registered in × ''Oncostele''. The grex Midnight Miracles has two cultivars, 'Masai Red' and 'Masai Splash', that have gained the
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...
's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
It includes the full range of cultivated p ...
.
Primary
The genus × ''Oncostele'' contains the following primary hybrids:
* ''Ons.'' Black Beauty,
Santa Barbara (1988) = ''
Rst. bictoniense'' × ''
Onc. leucochilum''
* ''Ons.'' Elske Stolze,
L.Stolze (1978) = ''
Onc. sotoanum'' × ''
Rst. bictoniensis''
(basionym
In the scientific name of organisms, basionym or basyonym means the original name on which a new name is based; the author citation of the new name should include the authors of the basionym in parentheses. The term "basionym" is used in both botan ...
: ''Odontocidium'')
* ''Ons.'' Feathers,
Woodland (2006) = ''
Onc. maculatum'' × ''
Rst. rossii''
* ''Ons.'' Rustic Bridge,
Rod McLellan Co. (1981) = ''
Onc. fuscatum'' × ''
Rst. ureskinneri''
Non-primary
* ''Ons.'' Wildcat = ''Ons.'' Rustic Bridge × ''Onc.'' Crowborough, which has gained the Royal Horticultural Society's Award of Garden Merit.
Formerly
* ''Cus.'' Compadre Juan Manzur,
S.Cusi (2007) = ''
Cauc. phalaenopsis'' (syn. ''
Onc. phalaenopsis'') × ''
Rst. rossii''
References
{{DEFAULTSORT:Oncostele
Orchid nothogenera
Oncidiinae