GROUP Alberti SUBGROUP Alberti
Characterized by the caespitose habit, with numerous green to purple colored leaves, the laterally flattened stems with apical, and lateral inflorescence, the apical one with an anciptitose peduncle terminating in a conduplicate, spathaceous bract somewhat larger but similar to the floral bracts, and one to several racemes of imbricating, conduplicate, rounded, bracts which produce flowers one at a time
GROUP Alberti SUBGROUP Allenii
Characterized by the sympodial habit with laterally compressed to ancipitous to fusiform-thickened stems giving rise to both terminal and lateral, racemose, distichous inflorescence with more or less imbricating bracts and carrying a single successive flower.
GROUP Alberti SUBGROUP Convergens
Characterized by a 3 lobed lip and 8 pollina
GROUP Alberti SUBGROUP Ellipsophyllum
GROUP Alberti SUBGROUP Physinga
Distinguished by the caespitose habit, ancipitous stems, apical inflorescence, the apical peduncle ancipitous to the degree of being two-winged, the raceme subtended by a conduplicate bract at the apex of the peduncle, the floral bracts imbricate, flowers successive, one at a time, frequently with a prominent clinandrium.
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Planetarum Tropicarum Plate 373 Dodson 1980; Icones Planetarum Tropicarum Plate 728 Dodson 1982; Icones Planetarum Tropicarum Plate 1319 Atwood 1989; Native Ecuadorian Orchids Vol 2 Dodson 2002; Icones Orchidacearum 3 Plate 338 Hagsater & Sanchez 1999 see recognition section; Icones Orchidacearum 3 Plate 339 Hagsater & Sanchez 1999 see recognition section; Icones Orchidacearum 3 Plate 350 Hagsater & Sanchez 1999 see recognition section; Icones Orchidacearum 4 Plate 432 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 433 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 451 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 464 Hagsater 2001 see recognition section; Icones Orchidacearum 4 Plate 478 Hagsater 2001 see recognition section; Icones Orchidacearum 4 plate 492 Hagsater & Sanchez 2001 see recognition section; Icones Orchidacearum 4 plate 493 Hagsater & Sanchez 2001 see recognition section; Icones Orchidacearum 7 Plate 715 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum 7 Plate 724 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum 7 Plate 741 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum 7 Plate 746 Hagsater and Sanchez 2004 see recognition section; Icones Orchidacearum Vol 8 Plate 824 Hagsater & Sanchez 2006 see recognition section; Icones Orchidacearum Vol 9 Plate 901 Hagsater & Sanchez 2007 see recognition section; Icones Orchidacearum Vol 9 Plate 903 Hagsater & Sanchez 2007 see recognition section; Icones Orchidacearum Vol 9 Plate 905 Hagsater & Sanchez 2007 see recognition section; Icones Orchidacearum 9 Plate 930 Hagsater 2007 see recognition section; Icones Orchidacearum 9 Plate 941 Hagsater 2007 see recognition section; Icones Orchidacearum 9 Plate 952 Hagsater 2007 see recognition section; Icones Orchidacearum 9 Plate 965 Hagsater 2007 see recognition section; Icones Orchidacearum 9 Plate 971 Hagsater 2007 see recognition section; Icones Orchidacearum 9 Plate 973 Hagsater 2007 see recognition section; Icones Orchidacearum 11 Plate 1192 Hagsater 2008 see recognition section; Icones Orchidacearum 12 Plate 1207 Hagsater 2009 see recognition section; Icones Orchidacearum 12 Plate 1250 Hagsater 2009 see recognition section; Icones Orchidacearum 12 Plate 1251 Hagsater 2009 see recognition section; Icones Orchidacearum 12 Plate 1256 Hagsater 2009 see recognition section; Icones Orchidacearum 12 Plate 1279 Hagsater 2009 see recognition section; Icones Orchidacearum 13 Plate 1362 Hagsater & Dodson 2010 See Recognition section; Icones Orchidacearum 13 Plate 1370 Hagsater & Dodson 2010 See Recognition section; Icones Orchidacearum 14 Plate 1442 Hagsater & Santiago 2013 See recognition section; Icones Orchidacearum 14 Plate 1453 Hagsater & Sanchez 2013 see recognition section; Icones Orchidacearum 14 Plate 1489 Hagsater & Santiago 2013 See recognition section; Icones Orchidacearum 15 [2] Plate 1579 Hagsater & Sanchez 2016 see recognition section; Icones Orchidacearum 16[1} Plate 1649 Hagsater & Sanchez 2018 see recognition section; Icones Orchidacearum 16[1} Plate 1665 Hagsater & Sanchez 2018 see recognition section;
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