GROUP Megalospathum
Characterized by the caespitose but branching habit, many leafed stem, fleshy, oblique leaves a short few flowered racemose inflorescence subtended by a large semi-ovate spathe carrying a few resupinate flowers with the coulumn obliquely united to the lip, occasionally free.
GROUP Megalospathum SUBGROUP Cupreum
Characterized by the wide, single, semiovate spathe, the erect stems with 3 to 5 coriaceous leaves, and resupinate flowers; the ventral surface of the column with a cavity accessed through a long narrow slit.
GROUP Megalospathum SUBGROUP Inornatum
GROUP Megalospathum SUBGROUP Minutidentatum
Characterized by the pendent, branching habit, non-resupinate flowers with the margin of the lip minutely dentate.
GROUP Megalospathum SUBGROUP Tigriphyllum
Characterized by the plants generally pendant and the leaves ovate to lanceolate, with purple-reddish transversal lines.
GROUP Megalospathum SUBGROUP Vesicicaule
Characterized by the prominent spathe, few, resupinate flowers, and the column united to the lip.
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Peruviarum Plate 052 Bennett & Christenson 1993; Icones Orchidacearum 3 Plate 370 Hagsater 1999 see recognition section; Icones Orchidacearum 3 Plate 387 Hagsater 1999 see recognition section; Icones Orchidacearum 4 Plate 424 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 470 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 470 Hagsater 2001 in error see Group megagastrium see recognition section; Icones Orchidacearum 4 Plate 472 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 474 Hagsater 2001 see recognition section; Icones Orchidacearum 7 Plate 750 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum 7 Plate 762 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum 7 Plate 777 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum Vol 8 Plate 854 Hagsater & Sanchez 2006 see recognition section; Icones Orchidacearum Vol 8 Plate 861 Hagsater & Sanchez 2006 see recognition section; Icones Orchidacearum Vol 8 Plate 884 Hagsater & Sanchez 2006 see recognition section; Icones Orchidacearum 12 Plate 1287 Hagsater 2009 see recognition section; Icones Orchidacearum 12 Plate 1280 Hagsater 2009 see recognition section; Icones Orchidacearum 13 Plate 1364 Hagsater & Dodson 2010 See Recognition section; Icones Orchidacearum 14 Plate 1414 Hagsater & Santiago 2013 See recognition section; Icones Orchidacearum 14 Plate 1481 Hagsater & Sanchez 2013 see recognition section; Icones Orchidacearum 15 [1] Plate 1508 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [1] Plate 1532 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [1] Plate 1539 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [1] Plate 1555 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [1] Plate 1559 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [2] Plate 1574 Hagsater & Sanchez 2016 see recognition section; Icones Orchidacearum 15 [2] Plate 1581 Hagsater & Sanchez 2016 see recognition section; Icones Orchidacearum 15 [2] Plate 1590 Hagsater & Sanchez 2016 see recognition section; Icones Orchidacearum 15 [2] Plate 1599 Hagsater & Sanchez 2016 see recognition section; Icones Orchidacearum 18(1) plate 1805 2020 see recognition section; Icones Orchidacearum 18(1) plate 1811 2020 see recognition section; Icones Orchidacearum 18(1) plate 1824 2020 see recognition section; Icones Orchidacearum 18(1) plate 1829 2020 see recognition section
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