Lower glume (outline)

     

subulate                                                                linear                                                             lanceolate to ovate                                          

        

oblate                                                                     obovate                                                     

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