Oncidium tigrinum La Llave & Lex. 1825 SECTION Oblongata Photo by Eric Hunt and Orchid Photo Site

Plant and Flowers in situ central Mexico Photos courtesy of Edouard Faria

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Common Name The Tiger Striped Oncidium

Flower Size 3" [7.5 cm]

Found in Jalisco and Michoacan ststes of Mexico on Pacific facing slopes at elevations of 1600 to 2500 meters as a medium sized, cool to cold growing epiphyte on oaks with subglobose, compressed, obtuse pseudobulbs enveloped basally by leaf-bearing sheaths and carrying 2 to 3 apical, linear-oblong or lanceolate, coriaceous, acute leaves and blooms in the fall and winter on a stout, usually erect, loosely branched, to 3' [90 cm] long, multi-flowered panicle with long-lasting flowers.

See also the very similar O unguiculatum that is found more to the east than this Pacific coast species.

O unguiculatum differs in it's basal only branches of the inflorecence and scentless flowers while O tigrinum has sparse apical branches and violet to vsnilla scented flowers.

Synonyms Odontoglossum celsianum W.R.Gerard 1848; Odontoglossum tigrinum (La Llave & Lex.) Lindl. 1852; Oncidium barkeri Lindl. 1841; Oncidium ionosmum hort. ex Lindl. 1853; Oncidium tigrinum var. elatum Lex 1825; Oncidium tigrinum var. giganteum Lex. 1825

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; AOS Bulletin Vol 30 No 9 1961; AOS Bulletin Vol 33 No 5 1964; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 49 # 5 1980 photo fide; AOS Bulletin Vol 50 No 5 1981 drawing fide; Flora Novo-Galaciana Vol 16 McVaugh 1985; An Introdution to the Orchids of Mexico Wiard 1987 photo fide ; AOS Bulletin Vol 57 No 2 1988 photo; AOS Bulletin Vol 61 No 5/456 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992; AOS Bulletin Vol 64 #9 1995 as O tigrinum var grandifolum photo fide; Orchid Digest Vol 61 #4 1997 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; Australian Orchid Review Vol 66 No 2 2001 photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 3 Koniger 2007 photo/drawing fide; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide; Orchid Digest Vol 80 #2 2016