Epidendrum stamfordianum Bateman 1838 GROUP Psilanthemum

Flower Closeup

Closer Still

Another Color Form Super Flower Closeup

Lip and column detail

Photos by © Jay Pfahl

Plant in situ about 1000 feet elevation in Chiapas heading down the Gulf slope towards Villahermosa. Growing on leguminosae, living fence trees.

Closeup of in situ flowers

Photos by © Weyman Bussey


Drawing by © Jimenez, Hágsater & E.Santiago and The AMO Herbario Website

Common Name Stamford's Epidendrum [English Orchid Enthusiast 1800's]

Flower Size to more than 1 1/2" [more than 3.75 cm]

Found from Mexico, Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia and Venezuela, in seasonally dry forests on large branches at elevations of 20 to 800 meters, as a small to medium sized, hot to warm growing, epiphytic species with fusiform pseudobulbs carrying 3 to 4, elliptic-oblong leaves that blooms in the winter, spring, summer and fall arising from the base of a newly formed, mature pseudobulb; one of a few species to do this in the genus Epidendrum; to 24" [60 cm] long, many flowered raceme or panicle of showy, long-lasting, fragrant flowers.

This species grows best mounted on wood with semi-shady conditions and needs a semi rest in the winter from water and fertilizer. This plant can become dormant after collecting and sit for up to 2 years before responding to cultivation.

"Epidendrum slamrordianum belongs to the GROUP Psilanthemum which is characterized by the sympodial, caespitose habit, the somewhat thickened, fusiform stems, pseudobulbs with narrow, apically bilobed, subcoriaceous leaves distributed on the distal half of the stems, large, apical, erect, paniculate inflorescence, usually produced from an abortive stem, greenish-yellow to pink f1owers, with deeply 4-lobed lips. The species has fusiform pseudobulbs, with 2 to 4, widely elliptic, apical leaves, the inflorescence apparently basal, but arising from an abortive stem, rarely, In cultivation, from normal stems; sepals and petals green with purple spots, the lip lemon-yellow the creamy-white with violaceous spots and lines on the callus and midlobe; lateral lobes of the lip with outer margin entire, inner margin erose, midlobe flabellate, separated from the lateral lobes by a deep sinus, with the apex bilobed, margin erose. It closely resembles Epidendrum leeanum (Rchb.f.) Hágsater from the llanos orientales of eastern Colombia and southern Venezuela which has shorter pseudobulbs, and a short compact inflorescence of smaller pink fiowers." Hagsater etal 2008

Synonyms Auliza stamfordiana (Bateman) Brieger 1977; Epidendrum basilare Klotzsch 1843; Epidendrum cycnostachys Benth. 1881; Epidendrum cycnostalix Rchb.f 1852; Epidendrum stamfordianum var. lawrenceanum hort. ex Stein 1892; Epidendrum stamfordianum Batem. var parviflorum Regel 1856; Epidendrum stamfordianum var. pictum Lem. 1852; Epidendrum stamfordianum var. pictum Ram.Goyena 1911; Epidendrum stamfordianum var. wallacei Rchb. f. 1887; Psilanthemum basilare (Klotzsch) Stein 1892

References W3 Tropicos, Kew Monocot list , IPNI ; *Orchid. Mexico & Guatemala, t. 11. Bateman 1838; Bonplandia Rchb.f 1854; Xenia Orchidaceae vol 2 Rchb.f 1862; Die Orchideen Schlechter 1915 photo fide; Repert. Spec. Nov. Regni Veg. Beih. 6: 72 Schlechter 1919; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Repert. Sp. Nov. Regni. Veg. Beih. 17: 40. Panama Schlechter 1922; Repert. Sp. Nov. Regni. Veg. Beih. 19: 128. Costa Rica Schlechter 1923; Repert. Sp. Nov. Regni. Veg. Beih. 19: 219. Costa Rica Schlechter 1923; The Genus Epidendrum Ames 1936; The Orchids of Panama L.O. Williams & P Allen 1946; Ceiba Vol 5 No 1 L O Williams 1956; AOS Bulletin Vol 27 No 6 1958; Orchid Digest Vol 23 #3 1959 photo fide; AOS Bulletin VOl 28 No 3 1959 photo fide; AOS Bulletin Vol 28 No 6 1959 photo ok; AOS Bulletin Vol 29 No 6 1960 photo ok; AOS Bulletin Vol 30 No 5 1961 photo good; AOS Bulletin Vol 30 No 9 1961; Venezuelan Orchids Illustrated Vol 2 Dunsterville & Garay 1961 drawing fide; AOS Bulletin Vol 31 No 3 1962; AOS Bulletin Vol 33 #6 1964 photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965 photo fide; AOS Bulletin Vol 36 #5 1967 photo fide; AOS Bulletin Vol 36 #9 1967; Flora de Venezuela Foldats Volumen XV Part 3 1970 drawing fide; Las Orquedias De El Salvador Vol 1 Hamer 1974 drawing/photo fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 9 513 - 576 Brieger, Maatsch and Senghas 1977 as Auliza stamfordiana photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 1 Dunsterville and Garay 1979 drawing fide; Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing fide; Icones Planetarum Tropicarum plate 738 Dodson 1982 drawing fide; An Introdution to the Orchids of Mexico Wiard 1987 photo fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; A Guide to Orchids of the World Hodgson, Paine and Anderson 1991 photo fide; Native Colombian Orchids Vol 2 COS 1991 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Icones Planetarum Tropicarum plate 1434 Atwood 1992 drawing fide; The Illustrated Encyclopedia of Orchids Pridgeon 1992 photo fide; Field Guide to the Orchids of Costa Rica and Panama Dressler 1993; Manual Of Orchids Stewart 1995; Orchid Digest Vol 60 No 1 1996 photo fide; Venezuela, Paraiso de Orquideas Romero 1997 photo fide; Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 1 Ramiro and Carnevali 2000 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001; Harvard Pap. Bot. 5 #2: Carnevali etal. 2001; AOS Bulletin Vol 71 No 9 2002 photo fide; Orquideologia Vol. 22 No 2 2002 photos/drawing fide; Botanica's Orchids Laurel Glen 2002 photo fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; Manual de las Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; *The Cattleya and Their Relatives Vol 7 The Debateable Epidendrum Withner & Harding 2004 photo fide; Icones Orchidacearum 7 Plate 752 Hagsater and Sanchez 2004 see note; Algunas Orquideas de Oaxaca Suarez 2004 photo fide; AOS Bulletin Vol 74 No 5 2005 photo fide; Orchids of Mexico Hagsater, Soto, Salazar, Jimenez, Lopez and Dressler 2005 photo fide; Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 photo fide; Flora's Orchids Nash & La Croix 2005 photo fide; Orquideologia 24: 2 Ortiz & Hagsater 2005 photo fide; Orquideologia Vol 24 #2 2006 photo fide; Boletim CAOB No 64 2006 photo fide; Icones Orchidacearum 11 Plate 1137 Hagsater 2008 see recognition section; Icones Orchidacearum Vol 11 Plate 1182 Hagsater & Sanchez 2008 drawing fide; Orchids of Costa Rica Vol 1 Morales 2009 photo fide; Las Orquideas del Peru Izerskyy & Bezverhov 2011 as E stanfordianum photo fide; AOS Bulletin Vol 81 #1 2012 photo fide; Orchid Digest Vol 77 #2 2013 photo fide; Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 photo fide; Orchids of the Department of Valle De Cauca Colombia Vol 2 Kolanowska, Hagsater etal. 2014 photo drawing/photo fide; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide; Orchids of the Darien Gap Kolanowska 2014 drawing/photo fide; AOS Bulletin Vol 86 #3 2017 photo fide; AOS Bulletin Vol 86 #4 2017 photo fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 drawing/photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 AOS Bulletin Vol 88 # 1 2019 photo fide;