Companion spikelets (presence)

            

absent                                        represented by barren pedicels       represented by single glumes

                  

rudimentary (size)                                         well-developed

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith