The bilaterally symmetrical flowers have a stout corolla tube with upper and lower lips, 2 lobes above and 3 below. There are 4 or 5 stamens, some of which may lack anthers. The style may be forked. The leaves may be alternate, opposite or whorled and are simple or pinnately divided.
The genus Veronica has more or less radially symmetrical flowers with 4 petals, although the lowest is smaller than the other 3.
Digitalis, the first drug to be helpful in heart disease, is derived from leaves of plants in the Digitalis genus. Some species of snapdragon are poisonous. Mostly herbs, but one naturalized tree species (Princess tree).
This family contains trees.
This family contains flowers.