Anacheilium chacaoense [Rchb.f] Withner & Harding 2004
Photos by © Bogarin/Pupulin
Drawing By © Dunsterville & Garay
MID
to EARLY
Common Name Chacao Anacheilium [A region in Colombia]
Flower Size less than 2" [less than 5 cm]
Found from Mexico, Guatemala, Belize, El Salvador, Honduras Nicaragua, Costa Rica, Panama, Colombia and Merida state of Venezuela from open oak and deciduous forests at elevations of sealevel to 300 meters as a small to medium sized, hot growing, cockleshell epiphyte or lithophyte with gray green, subcylindric to ovoid pseudobulbs subtended by bracts with 2 to 3, subcoriaceous, narrowly elliptic leaves that blooms in the midwinter till early summer on an apical, terminal, arises on a newly mature pseudobulb, subtended by a basal sheath, to 4" [to 10 cm] long, shorter than the leaves, racemose, 2 to 8 flowered inflorescence with triangular, acute, much shorter than the pedicel floral bracts and carrying fleshy, fragrant, nonresupinate flowers.
This species is often confused with A fragrans and E radiata but those plants are grey colored, not green nor yellowish green! Compared with A fragrans it has two leaves instead of one.
Close to Anacheilium ionophlebium but it has keeled sepals and a lip callus that is not sunquadrangular.
Synonyms Encyclia chacaoensis (Rchb. f.) Dressler & G.E. Pollard 1971; *Epidendrum chacaoense Rchb. f. 1854; 1866; Epidendrum hoffmannii Schltr. 1920; Epidendrum pachycarpum Schltr. 1906; Hormidium chacoense [Rchb.f] Breiger 1977; Prosthechea chacaoensis (Rchb. f.) W. E. Higgins 1997;
References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR as Prosthechea chacaoense;
Bonplandia 2: 20. 1854 as Epidendrum chacaoense;
Repert. Spec. Nov. Regni Veg. 3: 109 Schlechter 1906 as Epidendrum pachycarpum ;
Repert. Spec. Nov. Regni Veg. Beih. 6: 68 Schlechter 1919 as Epidendrum chacoense;
Repert. Sp. Nov. Regni. Veg. Beih. 17: 36. Panama Schlechter 1922 as Epidendrum pachycarpon;
Repert. Sp. Nov. Regni. Veg. Beih. 19: 215. Costa Rica Schlechter 1923 as Epidendrum pachycarpum;
Venezuelan Orchids Vol 2 Dunsterville & Garay 1961 as Epidendrum chacoense drawing fide;
AOS Bulletin Vol 36 #9 1967 as Epidendrum chacoense;
AOS Bulletin Vol 38 No 6 1969 as Epidendrum chacoense;
Flora de Venezuela Foldats Volumen XV Part 3 1970 as Epidendrum chacoense drawing good;
Phytologia 21: 436 Dressler & G E Pollard 1971 as Encyclia chacaoensis;
Las Orquedias de El Salvador Vol 1 Hamer 1974 as Epidendrum chacoensis drawing/photo fide;
The Genus Encyclia in Mexico Dressler & Pollard 1976 as Encyclia chacoensis;
Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 9 513 - 576 Brieger, Maatsch and Senghas 1977 as Hormidium chacoense;
Orchids of Venezuela An Illustrated Field Guide Vol 1 Dunsterville & Garay 1979 as Epidendrum chacoensis drawing fide;
Las Orquedias de El Salvador Vol 3 Hamer 1981 as Epidendrum chacoense drawing ok;
Icones Planetarum Tropicarum Plate 686 Dodson 1982 as Encyclia chacoensis drawing fide;
Flora Novo-Galaciana Vol 16 McVaugh 1985 as Encyclia chacaoensis;
An Introdution to the Orchids of Mexico Wiard 1987 as Encyclia chacoensis photo fide;
Selbyana Vol 10 Orchids of Central America Hamer 1988 as Encyclia chacoensis drawing fide;
Guatemala Y Sus Orquideas Behar & Tinschert 1998 as Encyclia chacoaense photo fide;
Manual of Orchids Stewart 1992 as Encyclia chacoensis;
Manual of Cultivated Orchids Bechtel, Cribb, Launert 1992 as Encyclia chacoensis photo fide;
A Field Guide to the Orchids of Costa Rica and Panama Dressler 1993 as Encyclia chacoensis;
Icones Planetarum Tropicarum Plate 1517 Mora & Atwood 1993 as Encyclia chacoensis drawing fide;
Phytologia 82: 377 W E Higgins 1997 publ. 1998 as Prosthechea chacaoensis;
Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 as Prosthechea chacaoense drawing good;
Harvard Pap. Bot. 5 #2: Carnevali etal. 2001 as Prosthechea chacoensis photo fide;
Botanica's Orchids Laurel Glenn 2002 as Protheschea chacoensis;
Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 as Prosthechea chacaoensis;
Orquideas Nativas del Tachira Cesar Fernandez 2003 as Prosthechea chacoensis photo fide;
*The Cattleyas and Their Relatives, the Debateable Epidendrum Withner and Harding 2004 photo fide;
Flora's Orchids Nash & La Croix 2005 as Protheschea cochleata;
Orquideas de la Serrania del Baudo Misas Urreta 2005 as Prosthechea cochleata drawing/photo fide
AOS Bulletin Vol 76 No 3 2007 as Prosthechea chacoensis photo fide;
AOS Bulletin Vol 77 No 6 2008 as Epidendrum hoffmanii photo fide;
Orchids of Costa Rica Vol 1 Morales 2009 as Prosthechea chacoensis photo fide;
AOS Bulletin Vol 80 #8 2011 photo fide;
Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 as Prosthechea chacoensis photo fide;
Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Prosthechea chacoensis;
Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 as Prosthechea chacoensis photo fide
Materials to the Orchid Flora of Colombia Vol IV:408 Szlatchetko & Kolanowska 2023 drawing/photo fide;
--------------------------------------------------------------------------------------------------------------------------
