Rhynchostele aptera (Lex.) Soto Arenas & Salazar 1993

Plant ensitu in Mexico

Another Plant ensitu Photos courtesy of Edouard Faria

Albino Form Photo by Eric Hunt and his Orchid Species Photo Website

to

Common Name The Wing-Less Rhynchostele

Flower Size to 4" [10 cm]

Sinaloa Mx., 1859m elev., Mazatlan-Durango highway, epiphytic on oaks in oak-pine forest

A small to medium sized, cold to cool growing epiphyte, endemic to Sinaloa, Durango, Jalisaco, Michoacan, Guerrerro, Mexico, Moreles, and Oaxaxa states of Mexico in oak-pine forests at elevations of 2000 to 2800 meters, that is a a beautiful member of the genus with a particularly large flower, and wrinkled, ovate, laterally compressed, 3" pseudobulbs emveolped basally by long, triangular, papery, leafless sheaths and are topped with a pair of light green, 10", acute, lanceolate, conduplicate below into the base leaves with pronounced veins. The basal, 5 to 8 " [12.5 to 20 cm] long, 2 to 5 flowered infloresceence emerge with new the growths carrying up to 5, well spaced, showy blooms, the 4" [10 cm] cuppy flowers are crystalline white with bold chocolate brown basal spotting and pointed sepals and petals, arrowhead lip is white with the same brown spotting and a large bright yellow callus and can occur at any time of the year.

Synonyms Amparoa aptera (Lex.) Archila 2009; Cymbiglossum apterum (La Llave & Lex.) Halb. 1983; Lemboglossum apterum (La Llave & Lex.) Halb. 1984; Odontoglossum acuminatum Lindl. 1852; *Odontoglossum apterum La Llave & Lex. 1825; Odontoglossum maxillare Lindl. 1847; Odontoglossum nebulosum Lindl. 1838; Oncidium apterum [Lex] Beer 1854; Oncidium anceps Beer 1854; Oncidium maxillare (Lindl.) Beer 1854; Oncidium rossii Beer 1854; Rhynchostele aptera (La Llave & Lex.) M.A.Soto Arenas & G.A.Salazar 1993

References W3 Tropicos Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as Odontoglossum maxillare photo not = Rhynchostele madrense; Die Orchideen Schlechter 1915 as Odontoglossum nebulosum; Atlas des Orchidees Cultivees Constantin 1920 as Odontoglossum nebulosum drawing fide; AOS Bulletin Vol 26 No 5 1957 drawing; Encyclopedia of Cultivated Orchids Hawkes 1965 as Odontoglossum nebulosum; Flora Novo-Galaciana Vol 16 McVaugh 1985 as Cymbiglossum apterum; An Introdution to the Orchids of Mexico Wiard 1987 as Lemboglossum apterum photo fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Icones Orchidacearum 5 - 6 Orchids of Mexico Part 2 - 3 Plate 653 Hagsater & Soto 2002 drawing fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 10 2008 photo; Algunas Orquideas De Mexico Tomo 1 Suarez 2012 photo fide;

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