Isochilus major Cham.& Schltdl. 1831
Photo by © Brian Ramsey
Photo courtesy of Dale and Deni Borders.
Another Angle of Inflorescence
Photo by Dowery Orchids Website
Drawings by Fritz Hamer
to
Common Name The Large Isochilus
Flower Size to almost 1/2" [to almost 1.25 cm]
Found in Mexico, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama as well as Colombia and is found on trees in damp mixed forests at an elevation of 1400-1900 meters as a medium sized, hot to cool, pendant growing, caespitose epiphyte with an erect, terete stem enveloped basally by several tubular sheaths and above larger lanceolate, bilobed apically, basally clasping leaves, spotted leaf sheaths and blooms on a terminal, pendulous, racemsose, several flowered inflorescence which is half covered by the upper leaves occuring throughout the year.
Characterized by an acute to obtuse lip apex which is genuflect and fleshy at the apex. Otherwise it is very similar to I linearis.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ;
*Linnaea 6: 60 Schltdl. & Cham 1831
AOS Bulletin Vol 27 No 6 1958;
The Orchids of Panama L.O. Williams & P Allen 1946 drawing oh;
Encyclopedia of Cultivated Orchids Hawkes 1965;
AOS Bulletin Vol 44 #9 1975 drawing fide;
Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976 drawing ok;
Las Orquedias De El Salvador Vol 2 Hamer 1974 as drawing/photo okish;
AOS Bulletin Vol 48 No 5 1979;
Orquídea (Mexico City), n.s., 7[3]: 1979;
Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing good;
Icones Planetarum Tropicarum Plate 788 Dodson 1982 drawing good;
Selbyana Vol 10 Orchids of Central America Hamer 1988drawing good;
Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide;
The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide;
Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide;
Orchid Australia Vol 11 No 6 1999 photo;
Australian Orchid Review Vol 66 No 3 2001 photo;
AOS Bulletin Vol 76 #10 2007 photo fide;
Orchid Digest Vol 78 #4 2014 photo fide;
Orchid Digest Vol 82 #2 2018 Photo fide;
Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018;
Orchid Digest Vol 83 #2 2019 photo fide;
Materials to the Orchid Flora of Colombia Vol IV:375 Szlatchetko & Kolanowska 2023 drawing/photo fide
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