용검환(龍劍丸) Stenocactus coptonogonus                                       Stenocactus sp.

   
                                                        진무옥(振武玉) Stenocactus lloydii
 
  
                                            진무옥(振武玉) Stenocactus lloydii                                            축옥(縮玉)

 
                                                      축옥(縮玉) Stenocactus multicostatus 'zacatecasensis'

 
                                                     축옥(縮玉) Stenocactus multicostatus 'zacatecasensis'

  
              축옥(縮玉) Stenocactus multicostatus 'zacatecasensis'               대각옥(大角玉) Stenocactus grandicornis