For the Angiosperms the two variation of this basic design are seen in the two Classes (Monocots versus Dicots) (see fig. 23-2).
MONOCOTS | DICOTS | |
| Flower structure | arranged in group of three | arranged in groups of four or five |
| Leaves | narrow with parallel veins | wider with branching netlike veins |
| Vascular tissue | scattered vascular bundles | Ring of vascular bundles |
| Roots | Many smaller roots | One main taproot |
| Seed | One cotyledon | Two cotyledons |