Stanhopea ecornuta Lem. 1846 SUBGENUS Stanhopeastrum

Photo by Ronald Groenink

Another Flower Angle

Photo by Dick Hartley Foxdale Orchids

Flowers and Plant

Photo by Weyman Bussey

Common Name The Hornless Stanhopea

Flower Size 2" [5 cm]

Found in Guatemala, Honduras Nicaragua, Costa Rica and Panama in shady, lowland tropical evergreen forests often over flowing water as a medium sized, hot growing epiphyte at elevations of sealevel to 300 meters with ovoid, sulcate, slightly compressed pseudobulbs that have basal bracts and carrying a single apical, ribbed, plicate, narrows below into the elongate petiolate base, elliptic, abruptly acute leaf that blooms on a lateral and then pendant, 1 1/2" [4 cm] long, few [2] flowered inflorescence arising on a mature pseudobulb, concealed by ovoid, inflated, imbricating, scarious, lepidote sheaths giving rise to 2 to rarely 3, large, fragrant cinnamon scented, showy, membraneous flowers occuring in the summer.

This myrmecophilus species is often found in conjunction with ants and may benefit from their presence.

Synonyms Stanhopea calceolus Rchb.f. 1855; Stanhopeastrum ecornutum Rchb.f. 1852

References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; Bot. Zeitung (Berlin) 10(53): 927. 1852 as Stanhopeastrum ecornutum; Xenia Orchidaceae Rchb.f 1854 as S calceolus; Xenia Orchidaceae Rchb.f 1854 drawing; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Repert. Sp. Nov. Regni. Veg. Beih. 19: 50. Costa Rica Schlechter 1923; AOS Bulletin Vol 26 No 4 1957 photo fide; AOS Bulletin Vol 31 No 9 1962 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 38 No 3 1974 photo fide; Orquideologia Vol 15 #1 Luer & Escobar 1981; AOS Bulletin Vol 53 No 4 1984 photo fide; Icones Planetarum Tropicarum Plate 1181 Dodson 1984 drawing fide; Orquídea (Mexico City), n.s., 11: 1988 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 drawing/photo fide; Schlechteriana Vol 4 No 1/2 1993 photo/drawing fide; AOS Bulletin Vol 62 No 12 1993 photo fide; Icones Planetarum Tropicarum Plate 1591 Atwood 1993 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 37/38 pg 2309 - 2436 Brieger 1999; Caesiana 21 Stanhopea Part 1 Jenny 2003 photo/drawing fide; AOS Bulletin Vol 80 #6 2011 pollinia only photo fide; Orchid Digest Vol 80 #2 2016; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 Stanhopeastrum ecornutum photo fide