- Cotyledons emerge above the soil surface by elongation of hypocotyls and
generally became green
- Examples – Green gram, Black gram, Groundnut, Soybean, Pumpkin, Okra,
Cucumber, Mustard, Cotton, Jute, Castor, Tomato, French bean etc.
- Cotyledons do not emerge above soil surface. The hypocotyl may elongate and
emerge above soil surface but the epocotyl grows first
- Examples – Rice, Lathyrus, Maize, Wheat, Barley, Coconut, Broad bean, Pea