Caucaea phalaenopsis (Lindl. & Rchb. f.) N.H. Williams & M.W. Chase 2001

Photo by © Eric Hunt

Common Name Phalaenopsis-Like Oncidium

Flower Size 1 1/2" [3.75 cm]

Found in southern Ecuador at elevations of 2700 to 2800 meters as a small sized, cold growing, epiphytic species with very dark green, ovoid to ovoid-conical, sulcate in time pseudobulbs carrying 2 apical, linear-oblanceolate, suberect-arcuate, subobtuse leaves that blooms in the spring, summer, fall and winter on a slender, suberect to arcuate, to 2' [60 cm] long, few flowered raceme carrying up to 10, showy, fragrant flowers.

Caucaea dayana has recently been added asasynonym of this species but I have left it and its synonyms separate for now as there are visible differences in the central callus.

Synonyms Caucaea chimborazoensis (Stacy) N.H.Williams & M.W.Chase 2001; Caucaea spathulata (Lindl.) N.H.Williams & M.W.Chase 2001; Oncidium chimborazoense Stacy 1975; Oncidium cucullatum var phalaenopsis [Lind. & Rchb.f] Nicholson 1901; Oncidium cucullatum var. spathulatum Lindl. 1855; Oncidium oliveaceum var phalaenopsis [Linden & Rchb.f] Sander; *Oncidium phalaenopsis Lindl. & Rchb. f. 1869; Oncidium phalaenopsis var. excellens Lindl. 1894; Oncidium spathulatum (Lindl.) Stacy, Bot. Mus. Leafl. 24: 148 (1975

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as Oncidium phalaenopsis photo fide; Atlas des Orchidees Cultivees Constantin 1920 as O cucullatum var phjalaenopsis drawing good; Das Pflanzenreich; Orchidaceae-Monandre, Tribus Oncidinae-Odontoglosseae Pars II Kranzl. [1922] 1957 as Oncidium cucullatum var phalaenopsis; AOS Bulletin Vol 27 No 11 1958 as Oncidium phalaenopsis drawing/photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965 as Oncidium cucullatum var phalaenopsis; AOS Bulletin Vol 37 No 12 1968 as Oncidium phalaenopsis photo fide; Manual of Cultivated Orchids Bechtel, Cribb & Laurent 1982 as Oncidium phalaenopsis; An Illustrated Encyclopedia of Orchids Pridgeon 1982 as Oncidium phalaenopsis; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 as Oncidium phalaenopsis drawing fide; Manual of Orchids Stewart 1995 as Oncidium phalaenopsis; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as Oncidium phalaenopsis photo fide; AOS Bulletin Vol 69 No 10 2000 as Oncidium phalaenopsis photo fide; AOS Bulletin Vol 70 No 10 2001 as Oncidium spathulatum; AOS Bulletin Vol 70 No 10 2001 as Oncidium chomborazoense photo fide; Australian Orchid Review Vol 66 No 2 2001 photo as Oncidium phalaenopsis; *Lindleyana Vol 16 No 4 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide; Oncidium Vol 2 Koniger 2005 as Oncidium phalaenopsis drawing/photo fide; Orchid Species Culture Oncidium/Odontoglossum Bakers 2006 as Oncidium phalaenopsis; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Mille et Une Mini Orchideees Roguenant 2009 photo fide; Orchid Digest Vol 81 #2 2017 photo fide;

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