Characterized by the sympodial, caespitose plants blooming on a terminal, subumbelliform inflorescence subtended by prominent, wide, truncate, spathaceous bracts and has an ovary with an inflated nectary that forms a vesicle.
GROUP Loefgrenii
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Peruviarum Plate 240 Bennett & Christenson 1995; Icones Orchidacearum 9 Plate 916 Hagsater & Sanchez 2007; Icones Orchidacearum 11 Plate 1191 Hagsater 2008 see recognition section; Icones Orchidacearum 13 Plate 1306 Hagsater & Sanchez 2010 see recognition section