Distinctive features of the class Dicotyledoneae

This class contains plants with two cotyledons. Examples of dicots are beans, mangoes, coffee, groundnuts and sunflower plants. Members of the class Dicotyledoneae as seen in Figure 1.7 and 1.8 differ from those of class Monocotyledoneae due to presence of the following features:

(a) Dicot leaves have net like venation.

(b) Their stems have vascular bundles which appear in a ring form.

(c) They have tap root system.

(d) Their seed embryo has two cotyledons.

(e) Floral parts are normally in multiples of four or five.

(f) Dicot plants have petioles that support the leaf.

(g) They have short and broader leaves.