Exercise 7MORPHOLOGY OF THE LEAF

Dagondon, Vanessa Olga Date Performed: March 23, 2015Jomocan, Christine AnneDate Submitted: March 26, 2015Lozanes, Ruther Mae

Exercise 7.1 Gross Morphology of the Leaf

1. DICOTYLEDONOUS LEAFExamine a leaf of Hibiscus rosa-sinensis L. (gumamela), one of the most commonly cultivated shrubs in the tropics.Of what parts does it consist?Record the descriptive terms that apply to it with regard to:1. the presence or absence of petiole - present1. the presence or absence of stipule present1. form - simple1. venation - netted1. leaf arrangement alternate

1. MONOCOTYLEDONOUS LEAFExamine and draw a leaf of a monocot leaf (Rhoeo discolor). Label the drawing.See figure 2.

1. EXTERNAL FEATURES OF DIFFERENT KINDS OF LEAVES1. Gather some leaves of 5 different plants, paying particular attention to the data called for in the following table.

Table 1PlantPetioleStipulesFormVenationLeaf Arrangement

1PresentAbsentCompoundNettedAlternate

2AbsentAbsentSimpleParallelEquitant

3PresentPresentSimpleNettedAlternate

4PresentPresentSimpleNettedAlternate

5AbsentAbsentCompoundParallelOpposite

PlantMiscellaneous Characteristics

Shape of ApexLeaf BaseLeaf ShapeMarginsAttachmentLeaf Surface

1Acuminate