Orchid, Floral ontogeny, Congenital fusion, Synorganization, Orchidaceae, Labellum, Partial homology, Gynostemium, B-class genes, KNOX-gene expression, and Herminium

Internal Transcribed Spacer, LEAFY, Morphometrics, Floral ontogeny, Geographic distribution, Himantoglossum hircinum, and Climate change

Nectary, Eriocauloideae, Floral development, Dimery, Floral evolution, Eriocaulaceae, Floral vasculature, Eriocaulon, Floral anatomy, Floral ontogeny, Poales, and Xyrids