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

to and

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 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 50 No 5 1981 drawing; 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; Rudolf Schlechter Die Orchideen Lieferung 33-6 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

--------------------------------------------------------------------------------------------------------------------------

--------------------------------------------------------------------------------------