Serapias is a genus in the Orchidaceae family. These orchids are terrestrial and some of the species are from the Mediterraean.
Serapias lingua is happy outdoors in the UK and soon forms a small colony. It is a typical Mediterranean orchid, producing leaves in autumn and remaining green until it flowers in late spring, then going dormant until it rains again. One recommendation to the pbs list was to pot them in fast-draining sand-soil mixtures with chunks of calcareous tufa or ground limestone in the mix and around the tuberoids. Keep them in a bright position protected from frost and water lightly in winter. Photo by Andrew Harvie.