Sgmx. macrobulbon photo by John Varigos

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Orchid Species: Oncidium macrobulbon

(This name is currently accepted by Kew.)

Oncidium macrobulbon is an orchid species identified by (Kraenzl.) M.W.Chase & N.H.Williams in 2008.
Genus
Oncidium (Onc.)
Grex
macrobulbon
(name currently accepted by Kew)
Parents
Species
Author
(Kraenzl.) M.W.Chase & N.H.Williams
Year
2008
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ORIGIN: Found in Costa Rica and Panama in windy, tropical lowland rainforest at elevations of sea-level to 1260 meters but most often between 700 to 900 meters.

DESCRIPTION: Miniature sized, hot to warm growing epiphyte on smaller branches that occurs at elevations of 400 to 1200 meters with elliptic-ovate, laterally compressed pseudobulbs with 2 to 3, basal, foliaceous bracts with 2 apical, subcoriaceous, linear-lanceolate leaves that blooms on a basal, erect, racemose, 4 3/4 to 6 [12 to 15 cm] long, longer than the leaves, several flowered inflorescence arising on a mature pseudobulb and occurring in the fall and winter.

FLOWER SIZE: 1/10 inch [0.3 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Sigmatostalix Sgmx reichenbachiana 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Sigmatostalix Sgmx macrobulbon 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Oncidium Onc reichenbachianum 2008 (Kraenzl.) M.W.Chase & N.H.Williams
Most awarded/recent cultivars: Sgmx. macrobulbon 'Maria Paula' (2007)
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