y REGULAR 

 PERIANTH 



SEGMENTS 

 UNITED 

 AT THE BASE 



THE HAJOR GROUPS Of tlONOCOTYLLDONS 



WHORLED OR 

 OPPOSITE LEAVES 



OVARY INFERIOR 



EQUITANT LEAVES 



OVARY 5UPERI0R 



PISTILS MORE 

 THAN ONE 



PERIANTH OF 

 TWO SERIES 



FLOWERS 



CROWDED ON 



5PADIX 



STIGMA- 



PETIOLE 

 INFLATED 



PERIANTH PRESENT 



PERIANTH 

 ATTACHED 

 OVARY TO STAMEN 



SUPERIOR FILAMENT 



PERIANTH 

 DRY AND 

 PAPERY 



SPATHE 



PERIANTH ABSENT OR REDUCED TO BRISTLES OR SCALES, SOHET I I1E5 FLOWERS IN A PERIANTH-LIKE 



FRUIT FLOWER f^") \\i\ a ^ UMBEL INVOLUCRE 



LEAFLESS 

 PLANTS (I 



STAMINATE 

 FLOWER 



PISTILLATE 

 FLOWER 



FLOATING OR SUBriERSLD AQUATICS 



FLOWERS IN 

 LEAF AXILS 



FLOWERS IN 

 FLATTENED SPIKE 



TERRESTRIAL OR, IE AQUATIC, ONLY BASE OF PLANT IN WATER 



STAMINATE 

 FLOWERS ^\JS?St 



BLftDE 



lligule- 



PALEA 



FLOWERS IN 

 MEADS OR 



HEAD- LIKE pt«,ANTH 



WHORLS OF bRISTLES 



FLOWERS IN 

 AXILS OF 

 DRY CHAFFY 

 BRACTS 



Fig. 3A: The major groups of monocotyledons. (From Mason, Fig. 2). 



