It is a small annual, typically not exceeding 30 centimeters in height.
Each flower has a long, very narrow tube which may exceed 3 centimeters.
The fruit is a very long silique which may exceed 10 centimeters in length.
It is an annual herb not generally exceeding 15 centimeters in height.
It may exceed 4 centimeters in length and generally drops off the plant when dry.
This is a small annual herb not exceeding ten centimeters in height.
It is a very small daisy, not exceeding 6 centimeters in height.
The leaves grow from the base of the stem and can exceed 20 centimeters in length.
The flowers are trumpet-shaped and may exceed two centimeters in length.
The largest basal leaves may exceed 30 centimeters in length.
