THE MAJOR GROUPS Of DICOTYLEDONS 



PERIANTH 



SEGMENTS ALL 



PETAL -LIKE 



FLOWERS 

 IN HEAD-LIKE 

 CLUSTERS 



FLOWtRS 

 MONOECIOUS 



PLANT5 WOODY AT BA5L (TRELS.6tiRU6S. OR VINE5) 



SEED UlTH 

 LONG HAIRS 



PERIANTH 

 SEGMENTS ALL 

 SEPAL -LIKE 



STYLE 

 STAMENS \jl 



PETALS 

 UNITED INTO 

 A TUBE 



FLOWERS IN 

 INVOLUCRAL PAIRS 



PISTILS MORE 

 THAN ONE 



PETALS 

 FREE 

 FROM ONE 

 ANOTHER „, 



PERIANTH DIFFERENTIATED OVARY 



INTO PETALS AND SEPALS INFERIOR 



PLANTS WhOLLY HERBACEOUS 



COROLLA AND 

 CALYX ABSENT 



FRUIT A 4-CELLED 



MANY-SEEDED 



CAPSULE 



COROLLA ABSENT 



CALYX PRESENT 



ONE 

 SEEDED 



FRUIT DEHISCENT 

 C1RCUM5CISSILE LONGITUDINAL 



LEAVES DISSECTED 



COROLLA ABSENT.CALYX PRESENT OR AB5ENT 



FLOWERS \N STOUT 

 SPIKE, SUBTENDED BY 

 WHITE PETALOID BRACTS 



COROLLA PRESENT 



FLOWERS 

 REGULAR 

 PETALS FREE 

 FROM ONE ANOTHER 

 FLOWERS HYPOGENOUS 



STAMENS 

 UNITED 



FLOWERS 

 CRUCIFEROUS 



PISTILS NUMEROUS 

 ON ELONGATE 

 RECEPTACLE 



FLOWERS IRREGULAR, 

 PAPILIONACEOUS 



LEAVES 

 PITCHER-SHAPED 



PETALS FREE EROH ONE ANOTHER 



STYLES STYLE I 

 2 TO 5 STIGMAS 3 



FRUIT FIVE 

 GLOBOSE 

 CARPELS 



FRUIT 



SPLITTING 



INTO 2 ONE- 



SEEDED CftRPELS 



PETALS UNITED 



STIGMA 



ANTHER / 

 COLUMN 



FRUIT OF 



TWO TO FOUR 



NUTLETS 



STAMENS 

 UNITED INTO A 

 TUBE AROUND 

 THE STYLE 



COROLLA IRREGULAR 



Fig. 3B: The major groups of dicotyledons. (From Mason, Fig. 3). 



