Rhynchostele bictoniensis (Bateman) M.A.Soto Arenas & G.A.Salazar 1993
Photo courtesy of Jay Pfahl.
Alba Variety Photos by © Lourens Grobler.
Plant en situ in Mexico Photos courtesy of Robert Weyman Bussey.
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Common Name Bicton Rhynchostylis [English Village With Large Greenhouse]
Flower Size to 1 1/2" [to 3.75 cm]
Found in Hidalgo, Veracruz, Pueble, Oaxaca an Chiapas states of Mexico as a large sized species and the third photo is of one en situ on the roadside between Tuxtla Gutierrez and San Cristobal de las Casas, Chiapas. This large, cold to cool growing epiphytic or terrestrial species is found on trees in humid forests, on rock on cliffs and terrestrially, at 2000 to 3200 meters in altitude in Mexico, Guatemala, El Salvador, Costa Rica and Panama with elliptic, laterally compressed pseudobulbs subtended by 2 to 3, conduplicate, foliaceous bracts and carrying apically a single, elliptic-lanceolate, conduplicate leaf and it blooms on a erect, basal, to 1' [30cm] long, simple or few branched inflorescence arising on a newly formed pseudobulb with narrowly elliptic-lanceolate bracts in the winter and spring. It requires medium shade, even watering and humidity while in growth, and a cold, drier winter.
Synonyms Cymbiglossum bictoniense (Bateman) Halb. 1983; *Cyrtochilum bictoniense Bateman 1838; Lemboglossum bictoniense (Bateman) Halb. 1984; Odontoglossum bictoniense [Bateman.] Lindley 1840; Oncidium bictoniense hort. 1833; Zygopetalum africanum Hooker 1840
References W3 Tropicos, Kew Monocot list , Lankester's Epidendra Website CR ; The Orchids of Mexico and Guatemala Bateman 1843 as Cyrtochilum bictonense drawing fide; AOS Bulletin Vol 30 No 9 1961 as Odontoglossum bictonense; AOS Bulletin Vol 31 No 7 1962 photo; AOS Bulletin Vol 32 No 10 1963 as Odontoglossum bictonense; Encyclopedia of Cultivated Orchids Hawkes 1965 as Odontoglossum bictonense photo fide; Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing/photo fide; AOS Bulletin Vol 60 No 6/539-42 1991; AOS Bulletin Vol 48 No 11 1979 photo as Odontoglossum bictonense; Orchid Digest Vol 44 No 2 1980 as Odontoglossum bictonense; AOS Bulletin Vol 49 No 8 1980 photo as Odontoglossum bictonense var alba; Las Orquedias de El Salvador Vol 3 Hamer 1981 as Odontoglossum bictonensse drawing fide; AOS Bulletin Vol 53 No 1 1984 photo as Odontoglossum bictonense; Icones Planetarum Tropicarum plate 1442 Atwood 1992 as Lemboglossum bictonense drawing fide; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Orchid Australia Vol 12 No 5 2000 photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Orchid Species Culture: Oncidium, Bakers 2006; Icones Orchidacearum fascile 10 plate 1076 Hagsater & Soto 2008 drawing fide
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