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 SUBGROUP Excisum
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum 11 Plate 1191 Hagsater 2008 see recognition section;