It is an annual herb that flowers in the spring.

This is a very small annual herb no more than three centimeters high.

This is an annual herb growing no more than four centimeters high.

This is an annual herb growing up to about half a meter high.

This plant is an annual herb growing up to 1.2 to 1.5 meters tall.

The plant is an annual herb growing up to 3 ft. high.

It is an annual herb growing up to half a meter tall.

This is an annual herb growing 20 to 60 centimeters high.

It is an annual herb growing just a few centimeters high.

This is an annual herb growing no more than half a meter tall.