Cyrtochilum serratum (Lindl.) Kraenzl.1917 SECTION Eucyrtochilum Kranzlin

Photo by Pieter C. Brouwer and his Nature Photo Website

Another Flower

Lip Detail

Photos by Danny Lentz, plant grown by Atlanta Botanical Garden

Another Plant

Another Clone

Plant in situ Ecuador

Photos by Patricia Harding


Common Name The Saw Edged-Flower Cyrtochilum

Flower Size 3" [7.5 cm] long

Found in western Ecuador and Peru in montane cloud forests at elevations of 1300 to 3300 meters as a large sized, cold to cool growing epiphyte or terrestrial on steep cliff faces with oblong-ovoid, compressed pseudobulbs carrying 2, apical, narrowly linear-oblanceolate, acute leaves that blooms in the winter on an axillary, arcuate, 5 to 9' [150 to 270 cm] long, flexuous, racemose to paniculate, branches relatively short, fractiflex, 3 to 6 flowered each branch, many flowered inflorescence arising from the leaf sheath on a mature pseudobulb and has ovate-oblong, strongly concave, more or less blunt tipped floral bracts carrying wide-spreading flowers.

Synonyms Oncidium diadema Lindley 1866; *Oncidium serratum Lindley 1842

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as Oncidium serratum; Atlas des Orchidees Cultivees Constantin 1920 as Oncidium serratum drawing fide; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922; AOS Bulletin Vol 28 No 2 1959 as Oncidium serratum photo fide; Orchids of Peru Vol 4 Schweinfurth 1961 as Onciduimk serratum; Encyclopedia of Cultivated Orchids Hawkes 1965 as Oncidium serratum; Orchid Digest Vol 38 no 5 1974 as Oncidium serratum photo fide; Icones Planetarum Tropicarum plate 189 Dodson 1980 Oncidium serratum drawing fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 as Oncidium serratum photo fide; Orchid Digest Vol 60 No 2 1996 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; AOS Bulletin Vol 67 No 1 1998 photo ok; Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Native Ecuadorian Orchids Vol 4 Dodson 2003 as Oncidium serratum drawing fide/photo ok; AOS Bulletin Vol 73 No 3 2004; AOS Bulletin Vol 74 No 10 2005 photo fide; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide; Orchid Digest Vol 75 #4 2011 Photo fide; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing/photo fide