 Another species complex in <unk> includes A. speciosa and related species . Henderson ( 1995 ) recognised A. speciosa and A. spectabilis , considering the latter to either be an acaulescent form of A. speciosa or a hybrid between it and A. microcarpa . <unk> and Dransfield accepted A. spectabilis , but Glassman considered it a dubious taxon . <unk> <unk> was recognised as a distinct species by Michael <unk> and coauthors ; Glassman and <unk> and Dransfield concurred , but Henderson considered it part of A. speciosa . Glassman also described a fourth member of this group , A. <unk> , and it is accepted by <unk> and Dransfield . 
